US Bridges

SH 21 over Davidson Creek

Good

Burleson County, Texas · 0.2 MI NE of SH 36 · Structure no. 170260011603037

Built
1968
57 years old, rebuilt 1988
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
320 ft
8 main spans
Daily traffic
19,649
2023 count
Owner
State
State Highway Agency

About this bridge

SH 21 over Davidson Creek is a concrete stringer/multi-beam or girder carrying SH 21 over Davidson Creek in Burleson County, Texas. It was built in 1968 and reconstructed in 1988, so it is 57 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 19,649 vehicles a day, roughly 16% of them trucks, projected to reach 27,509 by 2042. The structure is 320 ft (97.5 m) long and 75 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

CarriesSH 21
CrossesDavidson Creek
Location0.2 MI NE of SH 36
RouteState Highway 21
StateTexas
Coordinates30.53999, -96.69013
Functional classRural Principal Arterial - Other

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 protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating55 US tons
Inventory rating33 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans8
Design loadH 20
Structure length320 ft (97.5 m)
Longest span40 ft (12.2 m)
Deck width75 ft (22.8 m)
Roadway width65 ft (19.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,649 (2023)
Projected traffic27,509 by 2042
Trucks16%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed24.2 mi (39 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 Davidson Creek built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 1988.

What condition is SH 21 over Davidson 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 August 2024.

How much traffic does SH 21 over Davidson Creek carry?

About 19,649 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is SH 21 over Davidson Creek?

The structure is 320 ft (97.5 m) long with a longest span of 40 ft (12.2 m) and a deck 75 ft wide.

Who owns SH 21 over Davidson Creek?

It is owned by the State Highway Agency.