US Bridges

Rt Bb S over Thurman Br

Fair

Crawford County, Missouri · S 9 T 37 N R 3 W · Structure no. 8033

Built
1959
66 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete Continuous
Length
38 ft
3 main spans
Daily traffic
520
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Bb S over Thurman Br is a concrete continuous culvert carrying Rt Bb S over Thurman Br in Crawford County, Missouri. It was built in 1959, so it is 66 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 520 vehicles a day, roughly 6% of them trucks, projected to reach 728 by 2044. The structure is 38 ft (11.6 m) long and 27 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesRt Bb S
CrossesThurman Br
LocationS 9 T 37 N R 3 W
RouteState Highway 0BB
Coordinates37.93867, -91.26648
Functional classRural Minor 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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating47.6 US tons
Inventory rating28.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 10
Structure length38 ft (11.6 m)
Longest span10 ft (3 m)
Deck width27 ft (8.2 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic520 (2024)
Projected traffic728 by 2044
Trucks6%
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

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 Bb S over Thurman Br built?

It was built in 1959, making it 66 years old in 2025.

What condition is Rt Bb S over Thurman 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 May 2024.

How much traffic does Rt Bb S over Thurman Br carry?

About 520 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Rt Bb S over Thurman Br?

The structure is 38 ft (11.6 m) long with a longest span of 10 ft (3 m) and a deck 27 ft wide.

Who owns Rt Bb S over Thurman Br?

It is owned by the State Highway Agency.