US Bridges

US 61 N over Crooked CR

Fair

Lincoln County, Missouri · S 17 T 48 N R 1 E · Structure no. 4637

Built
1961
64 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete Continuous
Length
110 ft
3 main spans
Daily traffic
23,636
2024 count
Owner
State
State Highway Agency

About this bridge

US 61 N over Crooked CR is a concrete continuous slab carrying US 61 N over Crooked CR in Lincoln County, Missouri. It was built in 1961, so it is 64 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 23,636 vehicles a day, roughly 17% of them trucks, projected to reach 47,272 by 2044. The structure is 110 ft (33.4 m) long and 31 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesUS 61 N
CrossesCrooked CR
LocationS 17 T 48 N R 1 E
RouteU.S. Route 61
CountyLincoln County
StateMissouri
Coordinates38.92732, -90.92467
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 inspectionSeptember 2024
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.6 US tons
Inventory rating23.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length110 ft (33.4 m)
Longest span45 ft (13.7 m)
Deck width31 ft (9.6 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,636 (2024)
Projected traffic47,272 by 2044
Trucks17%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 N over Crooked CR built?

It was built in 1961, making it 64 years old in 2025.

What condition is US 61 N over Crooked 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 September 2024.

How much traffic does US 61 N over Crooked CR carry?

About 23,636 vehicles per day (2024 count), of which roughly 17% are trucks.

How long is US 61 N over Crooked CR?

The structure is 110 ft (33.4 m) long with a longest span of 45 ft (13.7 m) and a deck 31 ft wide.

Who owns US 61 N over Crooked CR?

It is owned by the State Highway Agency.