US Bridges

US 61 S over Big Branch CR

Good

Clark County, Missouri · S 20 T 64 N R 6 W · Structure no. 31585

Built
2006
19 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete Continuous
Length
32 ft
3 main spans
Daily traffic
10,194
2024 count
Owner
State
State Highway Agency

About this bridge

US 61 S over Big Branch CR is a concrete continuous culvert carrying US 61 S over Big Branch CR in Clark County, Missouri. It was built in 2006, so it is 19 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 10,194 vehicles a day, roughly 46% of them trucks, projected to reach 19,369 by 2044. The structure is 32 ft (9.8 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 61 S
CrossesBig Branch CR
LocationS 20 T 64 N R 6 W
RouteU.S. Route 61
Coordinates40.32648, -91.58326
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96.2 US tons
Inventory rating57.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span9 ft (2.6 m)
Deck width44 ft (13.4 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,194 (2024)
Projected traffic19,369 by 2044
Trucks46%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 61 S over Big Branch CR built?

It was built in 2006, making it 19 years old in 2025.

What condition is US 61 S over Big Branch CR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2023.

How much traffic does US 61 S over Big Branch CR carry?

About 10,194 vehicles per day (2024 count), of which roughly 46% are trucks.

How long is US 61 S over Big Branch CR?

The structure is 32 ft (9.8 m) long with a longest span of 9 ft (2.6 m) and a deck 44 ft wide.

Who owns US 61 S over Big Branch CR?

It is owned by the State Highway Agency.