US Bridges

KY-370 over Deer Creek

FairPosted for load

Webster County, Kentucky · 2.0 MI N.W. of JCT Ky 147 · Structure no. 117B00020N

Built
1959
66 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
309 ft
3 main spans
Daily traffic
562
2022 count
Owner
State
State Highway Agency

About this bridge

KY-370 over Deer Creek is a steel continuous stringer/multi-beam or girder carrying KY-370 over Deer Creek in Webster County, Kentucky. It was built in 1959, so it is 66 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 562 vehicles a day, projected to reach 562 by 2042. The structure is 309 ft (94.1 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesKY-370
CrossesDeer Creek
Location2.0 MI N.W. of JCT Ky 147
RouteState Highway 370
Coordinates37.57306, -87.465
Functional classRural Minor Collector

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 protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusPosted for load 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.7 US tons
Inventory rating27.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadH 20
Structure length309 ft (94.1 m)
Longest span100 ft (30.5 m)
Deck width31 ft (9.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic562 (2022)
Projected traffic562 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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-370 over Deer Creek built?

It was built in 1959, making it 66 years old in 2025.

What condition is KY-370 over Deer 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 November 2024.

How much traffic does KY-370 over Deer Creek carry?

About 562 vehicles per day (2022 count).

How long is KY-370 over Deer Creek?

The structure is 309 ft (94.1 m) long with a longest span of 100 ft (30.5 m) and a deck 31 ft wide.

Who owns KY-370 over Deer Creek?

It is owned by the State Highway Agency.