US Bridges

California Xrd over Br of Twelvemile Creek

Fair

Campbell County, Kentucky · 15 SE of JCT Ky 10 · Structure no. 019C00010N

Built
1920
105 years old, rebuilt 1970
Condition
Fair
inspected January 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
112 ft
1 main span
Daily traffic
623
2023 count
Owner
County
County Highway Agency

About this bridge

California Xrd over Br of Twelvemile Creek is a prestressed concrete box beam or girders - multiple carrying California Xrd over Br of Twelvemile Creek in Campbell County, Kentucky. It was built in 1920 and reconstructed in 1970, so it is 105 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.

It carries about 623 vehicles a day, projected to reach 623 by 2043. The structure is 112 ft (34.1 m) long and 18 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesCalifornia Xrd
CrossesBr of Twelvemile Creek
Location15 SE of JCT Ky 10
RouteCounty Highway 1103
CountyCampbell County
StateKentucky
Coordinates38.90361, -84.28889
Functional classRural Minor Collector

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating64.3 US tons
Inventory rating38.6 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1 (+3 approach)
Design loadH 20
Structure length112 ft (34.1 m)
Longest span54 ft (16.5 m)
Deck width18 ft (5.5 m)
Roadway width17 ft (5.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic623 (2023)
Projected traffic623 by 2043
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$555,000
NavigationNo navigation control on waterway

Frequently asked questions

When was California Xrd over Br of Twelvemile Creek built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 1970.

What condition is California Xrd over Br of Twelvemile 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 January 2024.

How much traffic does California Xrd over Br of Twelvemile Creek carry?

About 623 vehicles per day (2023 count).

How long is California Xrd over Br of Twelvemile Creek?

The structure is 112 ft (34.1 m) long with a longest span of 54 ft (16.5 m) and a deck 18 ft wide.

Who owns California Xrd over Br of Twelvemile Creek?

It is owned by the County Highway Agency.