US Bridges

SH 21 over Greens Creek

Fair

Burleson County, Texas · 1.2 MI E of FM 908 · Structure no. 170260011602035

Built
1964
61 years old, rebuilt 2006
Condition
Fair
inspected August 2024
Type
Culvert
Concrete
Length
56 ft
4 main spans
Daily traffic
15,418
2022 count
Owner
State
State Highway Agency

About this bridge

SH 21 over Greens Creek is a concrete culvert carrying SH 21 over Greens Creek in Burleson County, Texas. It was built in 1964 and reconstructed in 2006, so it is 61 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 15,418 vehicles a day, roughly 11% of them trucks, projected to reach 25,286 by 2042. The structure is 56 ft (17.1 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSH 21
CrossesGreens Creek
Location1.2 MI E of FM 908
RouteState Highway 21
StateTexas
Coordinates30.50843, -96.73445
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadOther
Structure length56 ft (17.1 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,418 (2022)
Projected traffic25,286 by 2042
Trucks11%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 SH 21 over Greens Creek built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 2006.

What condition is SH 21 over Greens 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 August 2024.

How much traffic does SH 21 over Greens Creek carry?

About 15,418 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is SH 21 over Greens Creek?

The structure is 56 ft (17.1 m) long with a longest span of 9 ft (2.7 m).

Who owns SH 21 over Greens Creek?

It is owned by the State Highway Agency.