US Bridges

FM 580 over Burnt Branch

Good

San Saba County, Texas · 6.09 MI SE of US 190 · Structure no. 232060023114392

Built
2021
4 years old
Condition
Good
inspected April 2023
Type
Other
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
258
2019 count
Owner
State
State Highway Agency

About this bridge

FM 580 over Burnt Branch is a prestressed concrete other carrying FM 580 over Burnt Branch in San Saba County, Texas. It was built in 2021, so it is 4 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 258 vehicles a day, roughly 12% of them trucks, projected to reach 370 by 2034. The structure is 50 ft (15.2 m) long and 32 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesFM 580
CrossesBurnt Branch
Location6.09 MI SE of US 190
RouteState Highway 580
StateTexas
Coordinates31.14958, -98.59043
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeOther
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length50 ft (15.2 m)
Longest span50 ft (15.2 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic258 (2019)
Projected traffic370 by 2034
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 FM 580 over Burnt Branch built?

It was built in 2021, making it 4 years old in 2025.

What condition is FM 580 over Burnt Branch 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 April 2023.

How much traffic does FM 580 over Burnt Branch carry?

About 258 vehicles per day (2019 count), of which roughly 12% are trucks.

How long is FM 580 over Burnt Branch?

The structure is 50 ft (15.2 m) long with a longest span of 50 ft (15.2 m) and a deck 32 ft wide.

Who owns FM 580 over Burnt Branch?

It is owned by the State Highway Agency.