US Bridges

KY-490 over Trace Branch

Good

Rockcastle County, Kentucky · 1.5 Mi. Nw. of JCT Ky 89 · Structure no. 102B00063N

Built
2005
20 years old
Condition
Good
inspected September 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
57 ft
1 main span
Daily traffic
196
2021 count
Owner
State
State Highway Agency

About this bridge

KY-490 over Trace Branch is a prestressed concrete stringer/multi-beam or girder carrying KY-490 over Trace Branch in Rockcastle County, Kentucky. It was built in 2005, so it is 20 years old, younger 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 196 vehicles a day, projected to reach 196 by 2041. The structure is 57 ft (17.4 m) long and 39 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesKY-490
CrossesTrace Branch
Location1.5 Mi. Nw. of JCT Ky 89
RouteState Highway 490
CountyRockcastle County
StateKentucky
Coordinates37.31, -84.17389
Functional classRural Minor 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 inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.2 US tons
Inventory rating51.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length57 ft (17.4 m)
Longest span54 ft (16.5 m)
Deck width39 ft (12 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic196 (2021)
Projected traffic196 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-490 over Trace Branch built?

It was built in 2005, making it 20 years old in 2025.

What condition is KY-490 over Trace Branch 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 September 2022.

How much traffic does KY-490 over Trace Branch carry?

About 196 vehicles per day (2021 count).

How long is KY-490 over Trace Branch?

The structure is 57 ft (17.4 m) long with a longest span of 54 ft (16.5 m) and a deck 39 ft wide.

Who owns KY-490 over Trace Branch?

It is owned by the State Highway Agency.