US Bridges

Ave N over Backbone Creek

Good

Burnet County, Texas · 0.8 MI S of FM 1431 · Structure no. 140270C00145001

Built
1985
40 years old
Condition
Good
inspected February 2024
Type
Culvert
Concrete
Length
30 ft
3 main spans
Daily traffic
6,179
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Ave N over Backbone Creek is a concrete culvert carrying Ave N over Backbone Creek in Burnet County, Texas. It was built in 1985, so it is 40 years old, younger than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 6,179 vehicles a day, roughly 3% of them trucks, projected to reach 118 by 2042. The structure is 30 ft (9.1 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesAve N
CrossesBackbone Creek
Location0.8 MI S of FM 1431
RouteCity Street 0
StateTexas
Coordinates30.57112, -98.28522
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
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 length30 ft (9.1 m)
Longest span8 ft (2.4 m)
Deck width28 ft (8.5 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,179 (2020)
Projected traffic118 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ave N over Backbone Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is Ave N over Backbone Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2024.

How much traffic does Ave N over Backbone Creek carry?

About 6,179 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is Ave N over Backbone Creek?

The structure is 30 ft (9.1 m) long with a longest span of 8 ft (2.4 m) and a deck 28 ft wide.

Who owns Ave N over Backbone Creek?

It is owned by the Town or Township Highway Agency.