US Bridges

US 61 S over Brauhn CR

Poor

Jefferson County, Missouri · S 6 T 41 N R 6 E · Structure no. 4664

Built
1923
102 years old, rebuilt 1935
Condition
Poor
inspected December 2024
Type
Culvert
Concrete Continuous
Length
29 ft
2 main spans
Daily traffic
5,707
2024 count
Owner
State
State Highway Agency

About this bridge

US 61 S over Brauhn CR is a concrete continuous culvert carrying US 61 S over Brauhn CR in Jefferson County, Missouri. It was built in 1923 and reconstructed in 1935, so it is 102 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.

It carries about 5,707 vehicles a day, roughly 7% of them trucks, projected to reach 9,702 by 2044. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 24.2 mi (39 km).

Location

Open in Google Maps
CarriesUS 61 S
CrossesBrauhn CR
LocationS 6 T 41 N R 6 E
RouteU.S. Route 61
CountyJefferson County
StateMissouri
Coordinates38.32248, -90.39922
Functional classUrban Minor Arterial

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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.6 US tons
Inventory rating27.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 15
Structure length29 ft (8.8 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,707 (2024)
Projected traffic9,702 by 2044
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.2 mi (39 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$450,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 61 S over Brauhn CR built?

It was built in 1923, making it 102 years old in 2025. It was reconstructed in 1935.

What condition is US 61 S over Brauhn CR 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 December 2024.

How much traffic does US 61 S over Brauhn CR carry?

About 5,707 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is US 61 S over Brauhn CR?

The structure is 29 ft (8.8 m) long with a longest span of 10 ft (3 m).

Who owns US 61 S over Brauhn CR?

It is owned by the State Highway Agency.