US Bridges

Rt B S over Wallace Br

Fair

Gasconade County, Missouri · S 5 T 40 N R 6 W · Structure no. 9217

Built
1937
88 years old
Condition
Fair
inspected September 2024
Type
Culvert
Concrete Continuous
Length
31 ft
3 main spans
Daily traffic
411
2024 count
Owner
State
State Highway Agency

About this bridge

Rt B S over Wallace Br is a concrete continuous culvert carrying Rt B S over Wallace Br in Gasconade County, Missouri. It was built in 1937, so it is 88 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.

It carries about 411 vehicles a day, roughly 10% of them trucks, projected to reach 534 by 2044. The structure is 31 ft (9.5 m) long and 29 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

CarriesRt B S
CrossesWallace Br
LocationS 5 T 40 N R 6 W
RouteState Highway 0B
Coordinates38.24106, -91.61144
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 10
Structure length31 ft (9.5 m)
Longest span10 ft (3 m)
Deck width29 ft (8.7 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic411 (2024)
Projected traffic534 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Rt B S over Wallace Br built?

It was built in 1937, making it 88 years old in 2025.

What condition is Rt B S over Wallace Br 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 September 2024.

How much traffic does Rt B S over Wallace Br carry?

About 411 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Rt B S over Wallace Br?

The structure is 31 ft (9.5 m) long with a longest span of 10 ft (3 m) and a deck 29 ft wide.

Who owns Rt B S over Wallace Br?

It is owned by the State Highway Agency.