US Bridges

Mo 154 E over Spencer CR

Fair

Ralls County, Missouri · S 20 T 53 N R 5 W · Structure no. 9642

Built
1964
61 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
932
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 154 E over Spencer CR is a concrete continuous culvert carrying Mo 154 E over Spencer CR in Ralls County, Missouri. It was built in 1964, so it is 61 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 932 vehicles a day, roughly 14% of them trucks, projected to reach 1,351 by 2044. The structure is 23 ft (6.9 m) long and 32 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesMo 154 E
CrossesSpencer CR
LocationS 20 T 53 N R 5 W
RouteState Highway 154
CountyRalls County
StateMissouri
Coordinates39.34947, -91.48573
Functional classRural Major 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 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.4 US tons
Inventory rating47.6 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 15
Structure length23 ft (6.9 m)
Longest span10 ft (3 m)
Deck width32 ft (9.9 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic932 (2024)
Projected traffic1,351 by 2044
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 Mo 154 E over Spencer CR built?

It was built in 1964, making it 61 years old in 2025.

What condition is Mo 154 E over 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 Mo 154 E over Spencer CR carry?

About 932 vehicles per day (2024 count), of which roughly 14% are trucks.

How long is Mo 154 E over Spencer CR?

The structure is 23 ft (6.9 m) long with a longest span of 10 ft (3 m) and a deck 32 ft wide.

Who owns Mo 154 E over Spencer CR?

It is owned by the State Highway Agency.