US Bridges

Trembley RD over Branch

Fair

Warren County, Missouri · S 30 T 47 N R 1 W · Structure no. 18332

Built
1950
75 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete Continuous
Length
21 ft
6 main spans
Daily traffic
50
2024 count
Owner
County
County Highway Agency

About this bridge

Trembley RD over Branch is a concrete continuous slab carrying Trembley RD over Branch in Warren County, Missouri. It was built in 1950, so it is 75 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 50 vehicles a day, roughly 10% of them trucks, projected to reach 80 by 2044. The structure is 21 ft (6.4 m) long and 20 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesTrembley RD
CrossesBranch
LocationS 30 T 47 N R 1 W
RouteCounty Highway 182
CountyWarren County
StateMissouri
Coordinates38.80211, -91.06086
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating22.8 US tons
Inventory rating14.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadOther
Structure length21 ft (6.4 m)
Longest span3 ft (0.9 m)
Deck width20 ft (6.2 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2024)
Projected traffic80 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Trembley RD over Branch built?

It was built in 1950, making it 75 years old in 2025.

What condition is Trembley RD over Branch 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 Trembley RD over Branch carry?

About 50 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Trembley RD over Branch?

The structure is 21 ft (6.4 m) long with a longest span of 3 ft (0.9 m) and a deck 20 ft wide.

Who owns Trembley RD over Branch?

It is owned by the County Highway Agency.