US Bridges

KY-120 over Tradewater River

Good

Crittenden County, Kentucky · On Webster - Crittenden C · Structure no. 028B00052N

Built
1977
48 years old
Condition
Good
inspected February 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
224 ft
3 main spans
Daily traffic
443
2020 count
Owner
State
State Highway Agency

About this bridge

KY-120 over Tradewater River is a prestressed concrete continuous stringer/multi-beam or girder carrying KY-120 over Tradewater River in Crittenden County, Kentucky. It was built in 1977, so it is 48 years old, older than the Kentucky average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 443 vehicles a day, projected to reach 443 by 2040. The structure is 224 ft (68.4 m) long and 37 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesKY-120
CrossesTradewater River
LocationOn Webster - Crittenden C
RouteState Highway 120
Coordinates37.39667, -87.845
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating76.7 US tons
Inventory rating46 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length224 ft (68.4 m)
Longest span100 ft (30.5 m)
Deck width37 ft (11.4 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic443 (2020)
Projected traffic443 by 2040
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 proposedReplacement because of relocation of road
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-120 over Tradewater River built?

It was built in 1977, making it 48 years old in 2025.

What condition is KY-120 over Tradewater River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2022.

How much traffic does KY-120 over Tradewater River carry?

About 443 vehicles per day (2020 count).

How long is KY-120 over Tradewater River?

The structure is 224 ft (68.4 m) long with a longest span of 100 ft (30.5 m) and a deck 37 ft wide.

Who owns KY-120 over Tradewater River?

It is owned by the State Highway Agency.