US Bridges

US-51 over Obion Creek

Fair

Hickman County, Kentucky · 5.9 MI N.-Clinton · Structure no. 053B00097N

Built
1991
34 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
432 ft
5 main spans
Daily traffic
1,611
2022 count
Owner
State
State Highway Agency

About this bridge

US-51 over Obion Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying US-51 over Obion Creek in Hickman County, Kentucky. It was built in 1991, so it is 34 years old, younger than the Kentucky average of 46.6 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 1,611 vehicles a day, roughly 31% of them trucks, projected to reach 1,611 by 2042. The structure is 432 ft (131.7 m) long and 47 ft wide. If it were closed, the detour would be 78.9 mi (127 km).

CarriesUS-51
CrossesObion Creek
Location5.9 MI N.-Clinton
RouteU.S. Route 51
Coordinates36.75806, -89.00361
Functional classRural Minor Arterial

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.9 US tons
Inventory rating45.6 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length432 ft (131.7 m)
Longest span100 ft (30.5 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,611 (2022)
Projected traffic1,611 by 2042
Trucks31%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed78.9 mi (127 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 US-51 over Obion Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is US-51 over Obion Creek 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 April 2023.

How much traffic does US-51 over Obion Creek carry?

About 1,611 vehicles per day (2022 count), of which roughly 31% are trucks.

How long is US-51 over Obion Creek?

The structure is 432 ft (131.7 m) long with a longest span of 100 ft (30.5 m) and a deck 47 ft wide.

Who owns US-51 over Obion Creek?

It is owned by the State Highway Agency.