US Bridges

KY-1147 over Little Trammel Creek

Fair

Allen County, Kentucky · .01 MI East of JCT US 31E · Structure no. 002B00031N

Built
1967
58 years old
Condition
Fair
inspected April 2022
Type
Tee Beam
Concrete
Length
159 ft
3 main spans
Daily traffic
198
2021 count
Owner
State
State Highway Agency

About this bridge

KY-1147 over Little Trammel Creek is a concrete tee beam carrying KY-1147 over Little Trammel Creek in Allen County, Kentucky. It was built in 1967, so it is 58 years old, older 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 198 vehicles a day, projected to reach 198 by 2041. The structure is 159 ft (48.5 m) long and 30 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesKY-1147
CrossesLittle Trammel Creek
Location.01 MI East of JCT US 31E
RouteState Highway 1147
CountyAllen County
StateKentucky
Coordinates36.69417, -86.25139
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating110 US tons
Inventory rating69.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length159 ft (48.5 m)
Longest span52 ft (15.7 m)
Deck width30 ft (9.2 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic198 (2021)
Projected traffic198 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-1147 over Little Trammel Creek built?

It was built in 1967, making it 58 years old in 2025.

What condition is KY-1147 over Little Trammel 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 2022.

How much traffic does KY-1147 over Little Trammel Creek carry?

About 198 vehicles per day (2021 count).

How long is KY-1147 over Little Trammel Creek?

The structure is 159 ft (48.5 m) long with a longest span of 52 ft (15.7 m) and a deck 30 ft wide.

Who owns KY-1147 over Little Trammel Creek?

It is owned by the State Highway Agency.