US Bridges

KY-3448 over Straight Creek

FairPosted for load

Harlan County, Kentucky · .1 MI S of JCT Ky 221 · Structure no. 048B00145N

Built
1970
55 years old
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
32 ft
1 main span
Daily traffic
84
2021 count
Owner
State
State Highway Agency

About this bridge

KY-3448 over Straight Creek is a prestressed concrete box beam or girders - multiple carrying KY-3448 over Straight Creek in Harlan County, Kentucky. It was built in 1970, so it is 55 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. Its operating status is: posted for load restriction.

It carries about 84 vehicles a day, projected to reach 84 by 2041. The structure is 32 ft (9.8 m) long and 15 ft wide.

Location

Open in Google Maps
CarriesKY-3448
CrossesStraight Creek
Location.1 MI S of JCT Ky 221
RouteState Highway 3448
CountyHarlan County
StateKentucky
Coordinates36.85167, -83.47444
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load 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 alignment6: Equal to present minimum criteria
Operating rating58.1 US tons
Inventory rating34.9 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadH 20
Structure length32 ft (9.8 m)
Longest span29 ft (8.8 m)
Deck width15 ft (4.6 m)
Roadway width13 ft (4.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic84 (2021)
Projected traffic84 by 2041
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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-3448 over Straight Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is KY-3448 over Straight 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 June 2023.

How much traffic does KY-3448 over Straight Creek carry?

About 84 vehicles per day (2021 count).

How long is KY-3448 over Straight Creek?

The structure is 32 ft (9.8 m) long with a longest span of 29 ft (8.8 m) and a deck 15 ft wide.

Who owns KY-3448 over Straight Creek?

It is owned by the State Highway Agency.