US Bridges

US 65 S over Mound CR

Fair

Carroll County, Missouri · S 3 T 55 N R 23 W · Structure no. 5648

Built
1933
92 years old, rebuilt 1985
Condition
Fair
inspected October 2024
Type
Tee Beam
Concrete
Length
108 ft
3 main spans
Daily traffic
1,892
2024 count
Owner
State
State Highway Agency

About this bridge

US 65 S over Mound CR is a concrete tee beam carrying US 65 S over Mound CR in Carroll County, Missouri. It was built in 1933 and reconstructed in 1985, so it is 92 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 1,892 vehicles a day, roughly 16% of them trucks, projected to reach 3,311 by 2044. The structure is 108 ft (32.9 m) long and 47 ft wide. If it were closed, the detour would be 23 mi (37 km).

CarriesUS 65 S
CrossesMound CR
LocationS 3 T 55 N R 23 W
RouteU.S. Route 65
Coordinates39.60173, -93.47729
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 rating39.7 US tons
Inventory rating23.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length108 ft (32.9 m)
Longest span43 ft (13 m)
Deck width47 ft (14.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,892 (2024)
Projected traffic3,311 by 2044
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed23 mi (37 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 65 S over Mound CR built?

It was built in 1933, making it 92 years old in 2025. It was reconstructed in 1985.

What condition is US 65 S over Mound 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 October 2024.

How much traffic does US 65 S over Mound CR carry?

About 1,892 vehicles per day (2024 count), of which roughly 16% are trucks.

How long is US 65 S over Mound CR?

The structure is 108 ft (32.9 m) long with a longest span of 43 ft (13 m) and a deck 47 ft wide.

Who owns US 65 S over Mound CR?

It is owned by the State Highway Agency.