US Bridges

California Hollow over Richland Creek

FairPosted for load

Knox County, Kentucky · .15 MI SW of JCT US 25E · Structure no. 061C00043N

Built
1960
65 years old
Condition
Fair
inspected September 2024
Type
Tee Beam
Concrete
Length
32 ft
1 main span
Daily traffic
238
2006 count
Owner
County
County Highway Agency

About this bridge

California Hollow over Richland Creek is a concrete tee beam carrying California Hollow over Richland Creek in Knox County, Kentucky. It was built in 1960, so it is 65 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 238 vehicles a day, projected to reach 331 by 2026. The structure is 32 ft (9.9 m) long and 22 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesCalifornia Hollow
CrossesRichland Creek
Location.15 MI SW of JCT US 25E
RouteCounty Highway 1300
CountyKnox County
StateKentucky
Coordinates36.90278, -83.88972
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating30.2 US tons
Inventory rating18.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length32 ft (9.9 m)
Longest span30 ft (9.1 m)
Deck width22 ft (6.7 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic238 (2006)
Projected traffic331 by 2026
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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$91,000
NavigationNo navigation control on waterway

Frequently asked questions

When was California Hollow over Richland Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is California Hollow over Richland 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 September 2024.

How much traffic does California Hollow over Richland Creek carry?

About 238 vehicles per day (2006 count).

How long is California Hollow over Richland Creek?

The structure is 32 ft (9.9 m) long with a longest span of 30 ft (9.1 m) and a deck 22 ft wide.

Who owns California Hollow over Richland Creek?

It is owned by the County Highway Agency.