US Bridges

Big Peter Cave RD over Pigeonroost Fork

FairPosted for load

Martin County, Kentucky · .1 MI W of JCT Ky 1714 · Structure no. 080C00005N

Built
1935
90 years old
Condition
Fair
inspected August 2023
Type
Girder and Floorbeam System
Steel
Length
38 ft
1 main span
Daily traffic
80
2011 count
Owner
County
County Highway Agency

About this bridge

Big Peter Cave RD over Pigeonroost Fork is a steel girder and floorbeam system carrying Big Peter Cave RD over Pigeonroost Fork in Martin County, Kentucky. It was built in 1935, so it is 90 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 5 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 80 vehicles a day, projected to reach 80 by 2031. The structure is 38 ft (11.7 m) long and 13 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesBig Peter Cave RD
CrossesPigeonroost Fork
Location.1 MI W of JCT Ky 1714
RouteCounty Highway 1115
CountyMartin County
StateKentucky
Coordinates37.7675, -82.44806
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating68.8 US tons
Inventory rating41.3 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length38 ft (11.7 m)
Longest span34 ft (10.4 m)
Deck width13 ft (4.1 m)
Roadway width11 ft (3.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2011)
Projected traffic80 by 2031
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$64,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Big Peter Cave RD over Pigeonroost Fork built?

It was built in 1935, making it 90 years old in 2025.

What condition is Big Peter Cave RD over Pigeonroost Fork 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 August 2023.

How much traffic does Big Peter Cave RD over Pigeonroost Fork carry?

About 80 vehicles per day (2011 count).

How long is Big Peter Cave RD over Pigeonroost Fork?

The structure is 38 ft (11.7 m) long with a longest span of 34 ft (10.4 m) and a deck 13 ft wide.

Who owns Big Peter Cave RD over Pigeonroost Fork?

It is owned by the County Highway Agency.