US Bridges

US 61 S over Town Br

Fair

Lincoln County, Missouri · S 25 T 49 N R 1 W · Structure no. 2252

Built
1970
55 years old
Condition
Fair
inspected September 2024
Type
Culvert
Concrete Continuous
Length
35 ft
2 main spans
Daily traffic
25,957
2024 count
Owner
State
State Highway Agency

About this bridge

US 61 S over Town Br is a concrete continuous culvert carrying US 61 S over Town Br in Lincoln County, Missouri. It was built in 1970, so it is 55 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 25,957 vehicles a day, roughly 26% of them trucks, projected to reach 51,914 by 2044. The structure is 35 ft (10.8 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS 61 S
CrossesTown Br
LocationS 25 T 49 N R 1 W
RouteU.S. Route 61
Coordinates38.98942, -90.96559
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating67.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length35 ft (10.8 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,957 (2024)
Projected traffic51,914 by 2044
Trucks26%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

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 US 61 S over Town Br built?

It was built in 1970, making it 55 years old in 2025.

What condition is US 61 S over Town 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 US 61 S over Town Br carry?

About 25,957 vehicles per day (2024 count), of which roughly 26% are trucks.

How long is US 61 S over Town Br?

The structure is 35 ft (10.8 m) long with a longest span of 12 ft (3.7 m).

Who owns US 61 S over Town Br?

It is owned by the State Highway Agency.