US Bridges

US 61 S over Trib Spencer CR

Fair

Pike County, Missouri · S 27 T 55 N R 4 W · Structure no. 6286

Built
1952
73 years old, rebuilt 1996
Condition
Fair
inspected November 2024
Type
Culvert
Concrete Continuous
Length
35 ft
2 main spans
Daily traffic
13,077
2024 count
Owner
State
State Highway Agency

About this bridge

US 61 S over Trib Spencer CR is a concrete continuous culvert carrying US 61 S over Trib Spencer CR in Pike County, Missouri. It was built in 1952 and reconstructed in 1996, so it is 73 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 13,077 vehicles a day, roughly 31% of them trucks, projected to reach 24,846 by 2044. The structure is 35 ft (10.7 m) long and 49 ft wide. If it were closed, the detour would be 26.7 mi (43 km).

Location

Open in Google Maps
CarriesUS 61 S
CrossesTrib Spencer CR
LocationS 27 T 55 N R 4 W
RouteU.S. Route 61
CountyPike County
StateMissouri
Coordinates39.51668, -91.33882
Functional classRural Principal Arterial - Other

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 inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.3 US tons
Inventory rating52.6 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span12 ft (3.7 m)
Deck width49 ft (14.8 m)
Roadway width46 ft (14.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,077 (2024)
Projected traffic24,846 by 2044
Trucks31%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.7 mi (43 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$306,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 61 S over Trib Spencer CR built?

It was built in 1952, making it 73 years old in 2025. It was reconstructed in 1996.

What condition is US 61 S over Trib Spencer CR 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 November 2024.

How much traffic does US 61 S over Trib Spencer CR carry?

About 13,077 vehicles per day (2024 count), of which roughly 31% are trucks.

How long is US 61 S over Trib Spencer CR?

The structure is 35 ft (10.7 m) long with a longest span of 12 ft (3.7 m) and a deck 49 ft wide.

Who owns US 61 S over Trib Spencer CR?

It is owned by the State Highway Agency.