US Bridges

SH 21/71 WB over Draw

Good

Bastrop County, Texas · 0.4 MI E of SH 21 · Structure no. 140110026504067

Built
1975
50 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
91 ft
3 main spans
Daily traffic
27,254
2023 count
Owner
State
State Highway Agency

About this bridge

SH 21/71 WB over Draw is a concrete stringer/multi-beam or girder carrying SH 21/71 WB over Draw in Bastrop County, Texas. It was built in 1975, so it is 50 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 27,254 vehicles a day, roughly 11% of them trucks, projected to reach 35,976 by 2042. The structure is 91 ft (27.7 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSH 21/71 WB
CrossesDraw
Location0.4 MI E of SH 21
RouteState Highway 21
StateTexas
Coordinates30.11073, -97.40929
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 inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length91 ft (27.7 m)
Longest span30 ft (9.1 m)
Deck width44 ft (13.5 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,254 (2023)
Projected traffic35,976 by 2042
Trucks11%
Lanes on structure2
Traffic directionOne-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 21/71 WB over Draw built?

It was built in 1975, making it 50 years old in 2025.

What condition is SH 21/71 WB over 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 November 2024.

How much traffic does SH 21/71 WB over Draw carry?

About 27,254 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is SH 21/71 WB over Draw?

The structure is 91 ft (27.7 m) long with a longest span of 30 ft (9.1 m) and a deck 44 ft wide.

Who owns SH 21/71 WB over Draw?

It is owned by the State Highway Agency.