US Bridges

County RD 14-279 over N Fk of White Rvr

PoorClosed to traffic

Douglas County, Missouri · S 18 T 25 N R 11 W · Structure no. 20983

Built
1914
111 years old
Condition
Poor
inspected February 2025
Type
Truss - Thru
Steel
Length
193 ft
2 main spans
Daily traffic
30
2024 count
Owner
County
County Highway Agency

About this bridge

County RD 14-279 over N Fk of White Rvr is a steel truss - thru carrying County RD 14-279 over N Fk of White Rvr in Douglas County, Missouri. It was built in 1914, so it is 111 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: closed to all traffic.

It carries about 30 vehicles a day, roughly 10% of them trucks, projected to reach 44 by 2044. The structure is 193 ft (58.8 m) long and 13 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesCounty RD 14-279
CrossesN Fk of White Rvr
LocationS 18 T 25 N R 11 W
RouteCounty Highway 283
CountyDouglas County
StateMissouri
Coordinates36.85171, -92.18675
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating0 US tons
Inventory rating0 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadOther
Structure length193 ft (58.8 m)
Longest span96 ft (29.3 m)
Deck width13 ft (4 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deck15 ft (4.5 m)

Traffic and service

Average daily traffic30 (2024)
Projected traffic44 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.3 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 14-279 over N Fk of White Rvr built?

It was built in 1914, making it 111 years old in 2025.

What condition is County RD 14-279 over N Fk of White Rvr in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2025.

How much traffic does County RD 14-279 over N Fk of White Rvr carry?

About 30 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County RD 14-279 over N Fk of White Rvr?

The structure is 193 ft (58.8 m) long with a longest span of 96 ft (29.3 m) and a deck 13 ft wide.

Who owns County RD 14-279 over N Fk of White Rvr?

It is owned by the County Highway Agency.