US Bridges

KY-3500 over Trammel Creek

Poor

Allen County, Kentucky · .6 MI N of JCT Ky 1147 · Structure no. 002B00011N

Built
1930
95 years old
Condition
Poor
inspected April 2024
Type
Tee Beam
Concrete
Length
318 ft
6 main spans
Daily traffic
602
2021 count
Owner
State
State Highway Agency

About this bridge

KY-3500 over Trammel Creek is a concrete tee beam carrying KY-3500 over Trammel Creek in Allen County, Kentucky. It was built in 1930, so it is 95 years old, older than the Kentucky average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 602 vehicles a day, projected to reach 602 by 2041. The structure is 318 ft (96.9 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesKY-3500
CrossesTrammel Creek
Location.6 MI N of JCT Ky 1147
RouteState Highway 3500
CountyAllen County
StateKentucky
Coordinates36.70278, -86.24806
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be 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 rating65.3 US tons
Inventory rating39.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadH 15
Structure length318 ft (96.9 m)
Longest span50 ft (15.2 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic602 (2021)
Projected traffic602 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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-3500 over Trammel Creek built?

It was built in 1930, making it 95 years old in 2025.

What condition is KY-3500 over Trammel Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.

How much traffic does KY-3500 over Trammel Creek carry?

About 602 vehicles per day (2021 count).

How long is KY-3500 over Trammel Creek?

The structure is 318 ft (96.9 m) long with a longest span of 50 ft (15.2 m) and a deck 28 ft wide.

Who owns KY-3500 over Trammel Creek?

It is owned by the State Highway Agency.