US Bridges

FM 973 over Gilleland Creek

Fair

Travis County, Texas · 4.25 MI NE of FM 969 · Structure no. 142270120003011

Built
1959
66 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
212 ft
7 main spans
Daily traffic
11,716
2020 count
Owner
State
State Highway Agency

About this bridge

FM 973 over Gilleland Creek is a concrete stringer/multi-beam or girder carrying FM 973 over Gilleland Creek in Travis County, Texas. It was built in 1959, so it is 66 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 11,716 vehicles a day, roughly 5% of them trucks, projected to reach 11,300 by 2033. The structure is 212 ft (64.6 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesFM 973
CrossesGilleland Creek
Location4.25 MI NE of FM 969
RouteState Highway 973
CountyTravis County
StateTexas
Coordinates30.29709, -97.5684
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans7
Design loadH 20
Structure length212 ft (64.6 m)
Longest span30 ft (9.1 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,716 (2020)
Projected traffic11,300 by 2033
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 973 over Gilleland Creek built?

It was built in 1959, making it 66 years old in 2025.

What condition is FM 973 over Gilleland 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 July 2023.

How much traffic does FM 973 over Gilleland Creek carry?

About 11,716 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is FM 973 over Gilleland Creek?

The structure is 212 ft (64.6 m) long with a longest span of 30 ft (9.1 m) and a deck 31 ft wide.

Who owns FM 973 over Gilleland Creek?

It is owned by the State Highway Agency.