US Bridges

KY-598 over Dry Branch

Good

Mercer County, Kentucky · .01 MI E of JCT Ky 1915 · Structure no. 084B00020N

Built
1966
59 years old
Condition
Good
inspected August 2022
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
214
2021 count
Owner
State
State Highway Agency

About this bridge

KY-598 over Dry Branch is a concrete culvert carrying KY-598 over Dry Branch in Mercer County, Kentucky. It was built in 1966, so it is 59 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 214 vehicles a day, projected to reach 214 by 2041. The structure is 29 ft (8.9 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesKY-598
CrossesDry Branch
Location.01 MI E of JCT Ky 1915
RouteState Highway 598
CountyMercer County
StateKentucky
Coordinates37.72333, -84.86139
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionAugust 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 adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110 US tons
Inventory rating79.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length29 ft (8.9 m)
Longest span14 ft (4.3 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic214 (2021)
Projected traffic214 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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-598 over Dry Branch built?

It was built in 1966, making it 59 years old in 2025.

What condition is KY-598 over Dry 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 August 2022.

How much traffic does KY-598 over Dry Branch carry?

About 214 vehicles per day (2021 count).

How long is KY-598 over Dry Branch?

The structure is 29 ft (8.9 m) long with a longest span of 14 ft (4.3 m) and a deck 32 ft wide.

Who owns KY-598 over Dry Branch?

It is owned by the State Highway Agency.