US Bridges

US 24 E over Otter CR

Fair

Monroe County, Missouri · S 22 T 55 N R 9 W · Structure no. 3168

Built
1977
48 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
625 ft
9 main spans
Daily traffic
1,921
2024 count
Owner
State
State Highway Agency

About this bridge

US 24 E over Otter CR is a prestressed concrete continuous stringer/multi-beam or girder carrying US 24 E over Otter CR in Monroe County, Missouri. It was built in 1977, so it is 48 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 5 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 1,921 vehicles a day, roughly 28% of them trucks, projected to reach 3,650 by 2044. The structure is 625 ft (190.5 m) long and 47 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesUS 24 E
CrossesOtter CR
LocationS 22 T 55 N R 9 W
RouteU.S. Route 24
Coordinates39.53699, -91.90152
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.5 US tons
Inventory rating25.8 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans9
Design loadH 20
Structure length625 ft (190.5 m)
Longest span75 ft (22.9 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,921 (2024)
Projected traffic3,650 by 2044
Trucks28%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 24 E over Otter CR built?

It was built in 1977, making it 48 years old in 2025.

What condition is US 24 E over Otter 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 March 2023.

How much traffic does US 24 E over Otter CR carry?

About 1,921 vehicles per day (2024 count), of which roughly 28% are trucks.

How long is US 24 E over Otter CR?

The structure is 625 ft (190.5 m) long with a longest span of 75 ft (22.9 m) and a deck 47 ft wide.

Who owns US 24 E over Otter CR?

It is owned by the State Highway Agency.