US Bridges

County RD 166 over S Fabius Rvr

PoorClosed to traffic

Shelby County, Missouri · S 4 T 59 N R 9 W · Structure no. 16588

Built
1900
125 years old
Condition
Poor
inspected March 2024
Type
Truss - Thru
Steel
Length
172 ft
1 main span
Daily traffic
5
2024 count
Owner
County
County Highway Agency

About this bridge

County RD 166 over S Fabius Rvr is a steel truss - thru carrying County RD 166 over S Fabius Rvr in Shelby County, Missouri. It was built in 1900, so it is 125 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 5 vehicles a day, roughly 10% of them trucks, projected to reach 6 by 2044. The structure is 172 ft (52.4 m) long and 14 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesCounty RD 166
CrossesS Fabius Rvr
LocationS 4 T 59 N R 9 W
RouteCounty Highway 126
CountyShelby County
StateMissouri
Coordinates39.94869, -91.90136
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry4: Meets minimum tolerable limits to be left in place as is
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 rating0 US tons
Inventory rating0 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadOther
Structure length172 ft (52.4 m)
Longest span171 ft (52.1 m)
Deck width14 ft (4.2 m)
Roadway width13 ft (3.9 m)
Vertical clearance over deck15 ft (4.6 m)

Traffic and service

Average daily traffic5 (2024)
Projected traffic6 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 statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.1 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 166 over S Fabius Rvr built?

It was built in 1900, making it 125 years old in 2025.

What condition is County RD 166 over S Fabius 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 March 2024.

How much traffic does County RD 166 over S Fabius Rvr carry?

About 5 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County RD 166 over S Fabius Rvr?

The structure is 172 ft (52.4 m) long with a longest span of 171 ft (52.1 m) and a deck 14 ft wide.

Who owns County RD 166 over S Fabius Rvr?

It is owned by the County Highway Agency.