US Bridges

Grimes Mill RD over Boone Creek

FairPosted for load

Fayette County, Kentucky · West of Clark Co.Ln. · Structure no. 034C00010N

Built
1937
88 years old, rebuilt 2014
Condition
Fair
inspected April 2024
Type
Truss - Thru
Steel
Length
124 ft
1 main span
Daily traffic
279
2011 count
Owner
County
County Highway Agency

About this bridge

Grimes Mill RD over Boone Creek is a steel truss - thru carrying Grimes Mill RD over Boone Creek in Fayette County, Kentucky. It was built in 1937 and reconstructed in 2014, so it is 88 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 279 vehicles a day, projected to reach 279 by 2031. The structure is 124 ft (37.9 m) long and 14 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesGrimes Mill RD
CrossesBoone Creek
LocationWest of Clark Co.Ln.
RouteCounty Highway 1122
CountyFayette County
StateKentucky
Coordinates37.9175, -84.34111
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating41.9 US tons
Inventory rating25.1 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+1 approach)
Design loadHS 20
Structure length124 ft (37.9 m)
Longest span80 ft (24.4 m)
Deck width14 ft (4.3 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic279 (2011)
Projected traffic279 by 2031
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$291,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Grimes Mill RD over Boone Creek built?

It was built in 1937, making it 88 years old in 2025. It was reconstructed in 2014.

What condition is Grimes Mill RD over Boone 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 April 2024.

How much traffic does Grimes Mill RD over Boone Creek carry?

About 279 vehicles per day (2011 count).

How long is Grimes Mill RD over Boone Creek?

The structure is 124 ft (37.9 m) long with a longest span of 80 ft (24.4 m) and a deck 14 ft wide.

Who owns Grimes Mill RD over Boone Creek?

It is owned by the County Highway Agency.