US Bridges

FM 581 over Indian Camp Draw

Good

Lampasas County, Texas · 0.15 MI N of FM 580 · Structure no. 231410086706012

Built
1955
70 years old
Condition
Good
inspected January 2024
Type
Culvert
Concrete
Length
30 ft
4 main spans
Daily traffic
125
2020 count
Owner
State
State Highway Agency

About this bridge

FM 581 over Indian Camp Draw is a concrete culvert carrying FM 581 over Indian Camp Draw in Lampasas County, Texas. It was built in 1955, so it is 70 years old, older 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 125 vehicles a day, roughly 16% of them trucks, projected to reach 182 by 2038. The structure is 30 ft (9.1 m) long and 31 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesFM 581
CrossesIndian Camp Draw
Location0.15 MI N of FM 580
RouteState Highway 581
StateTexas
Coordinates31.13434, -98.48976
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadOther
Structure length30 ft (9.1 m)
Longest span7 ft (2.1 m)
Deck width31 ft (9.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2020)
Projected traffic182 by 2038
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 581 over Indian Camp Draw built?

It was built in 1955, making it 70 years old in 2025.

What condition is FM 581 over Indian Camp Draw 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 581 over Indian Camp Draw carry?

About 125 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is FM 581 over Indian Camp Draw?

The structure is 30 ft (9.1 m) long with a longest span of 7 ft (2.1 m) and a deck 31 ft wide.

Who owns FM 581 over Indian Camp Draw?

It is owned by the State Highway Agency.