US Bridges

County RD 275 over N Fk of White Rvr

FairPosted for load

Douglas County, Missouri · S 31 T 26 N R 11 W · Structure no. 20945

Built
1940
85 years old, rebuilt 1969
Condition
Fair
inspected February 2024
Type
Slab
Concrete Continuous
Length
58 ft
5 main spans
Daily traffic
15
2024 count
Owner
County
County Highway Agency

About this bridge

County RD 275 over N Fk of White Rvr is a concrete continuous slab carrying County RD 275 over N Fk of White Rvr in Douglas County, Missouri. It was built in 1940 and reconstructed in 1969, so it is 85 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 15 vehicles a day, roughly 10% of them trucks, projected to reach 22 by 2044. The structure is 58 ft (17.7 m) long and 14 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesCounty RD 275
CrossesN Fk of White Rvr
LocationS 31 T 26 N R 11 W
RouteCounty Highway 281
CountyDouglas County
StateMissouri
Coordinates36.88221, -92.18738
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating19.8 US tons
Inventory rating8.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadOther
Structure length58 ft (17.7 m)
Longest span11 ft (3.4 m)
Deck width14 ft (4.3 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2024)
Projected traffic22 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$455,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 275 over N Fk of White Rvr built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1969.

What condition is County RD 275 over N Fk of White Rvr in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2024.

How much traffic does County RD 275 over N Fk of White Rvr carry?

About 15 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County RD 275 over N Fk of White Rvr?

The structure is 58 ft (17.7 m) long with a longest span of 11 ft (3.4 m) and a deck 14 ft wide.

Who owns County RD 275 over N Fk of White Rvr?

It is owned by the County Highway Agency.