US Bridges

Ave J over Backbone Creek

Fair

Burnet County, Texas · 0.80 MI S of FM 1431 · Structure no. 140270C00140001

Built
1958
67 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete
Length
33 ft
3 main spans
Daily traffic
2,447
2020 count
Owner
County
County Highway Agency

About this bridge

Ave J over Backbone Creek is a concrete culvert carrying Ave J over Backbone Creek in Burnet County, Texas. It was built in 1958, so it is 67 years old, older than the Texas average of 44.4 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.

It carries about 2,447 vehicles a day, roughly 3% of them trucks, projected to reach 118 by 2042. The structure is 33 ft (10.1 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesAve J
CrossesBackbone Creek
Location0.80 MI S of FM 1431
RouteCity Street 0
StateTexas
Coordinates30.5688, -98.28088
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length33 ft (10.1 m)
Longest span10 ft (3 m)
Deck width42 ft (12.8 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,447 (2020)
Projected traffic118 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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$625,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Ave J over Backbone Creek built?

It was built in 1958, making it 67 years old in 2025.

What condition is Ave J over Backbone 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 February 2024.

How much traffic does Ave J over Backbone Creek carry?

About 2,447 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is Ave J over Backbone Creek?

The structure is 33 ft (10.1 m) long with a longest span of 10 ft (3 m) and a deck 42 ft wide.

Who owns Ave J over Backbone Creek?

It is owned by the County Highway Agency.