US Bridges

FM 580 over Lynch Creek

Good

Lampasas County, Texas · 3.40 MI E of FM 581 · Structure no. 231410023115373

Built
2006
19 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Concrete Continuous
Length
125 ft
5 main spans
Daily traffic
407
2020 count
Owner
State
State Highway Agency

About this bridge

FM 580 over Lynch Creek is a concrete continuous stringer/multi-beam or girder carrying FM 580 over Lynch Creek in Lampasas County, Texas. It was built in 2006, so it is 19 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 407 vehicles a day, roughly 17% of them trucks, projected to reach 393 by 2038. The structure is 125 ft (38.1 m) long and 32 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesFM 580
CrossesLynch Creek
Location3.40 MI E of FM 581
RouteState Highway 580
StateTexas
Coordinates31.12593, -98.43787
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHL 93
Structure length125 ft (38.1 m)
Longest span25 ft (7.6 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic407 (2020)
Projected traffic393 by 2038
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Lynch Creek built?

It was built in 2006, making it 19 years old in 2025.

What condition is FM 580 over Lynch 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 January 2024.

How much traffic does FM 580 over Lynch Creek carry?

About 407 vehicles per day (2020 count), of which roughly 17% are trucks.

How long is FM 580 over Lynch Creek?

The structure is 125 ft (38.1 m) long with a longest span of 25 ft (7.6 m) and a deck 32 ft wide.

Who owns FM 580 over Lynch Creek?

It is owned by the State Highway Agency.