US Bridges

Murnan RD over Ky 9 (aahiway)

Good

Campbell County, Kentucky · @ JCT W/Murnan Road · Structure no. 019B00072N

Built
1988
37 years old
Condition
Good
inspected August 2021
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
236 ft
3 main spans
Daily traffic
1,656
2006 count
Owner
State
State Highway Agency

About this bridge

Murnan RD over Ky 9 (aahiway) is a prestressed concrete continuous stringer/multi-beam or girder carrying Murnan RD over Ky 9 (aahiway) in Campbell County, Kentucky. It was built in 1988, so it is 37 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 1,656 vehicles a day, projected to reach 2,020 by 2026. The structure is 236 ft (71.8 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMurnan RD
CrossesKy 9 (aahiway)
Location@ JCT W/Murnan Road
RouteCounty Highway 1350
Coordinates39.00389, -84.44
Functional classUrban Local

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.
Last inspectionAugust 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating60.7 US tons
Inventory rating36.4 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length236 ft (71.8 m)
Longest span103 ft (31.4 m)
Deck width29 ft (8.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,656 (2006)
Projected traffic2,020 by 2026
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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 statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$842,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Murnan RD over Ky 9 (aahiway) built?

It was built in 1988, making it 37 years old in 2025.

What condition is Murnan RD over Ky 9 (aahiway) 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 2021.

How much traffic does Murnan RD over Ky 9 (aahiway) carry?

About 1,656 vehicles per day (2006 count).

How long is Murnan RD over Ky 9 (aahiway)?

The structure is 236 ft (71.8 m) long with a longest span of 103 ft (31.4 m) and a deck 29 ft wide.

Who owns Murnan RD over Ky 9 (aahiway)?

It is owned by the State Highway Agency.