US Bridges

SH 21 over Draw

Fair

Bastrop County, Texas · 1.4 MI E of FM 812 · Structure no. 140110047105052

Built
1943
82 years old, rebuilt 1991
Condition
Fair
inspected November 2024
Type
Culvert
Concrete
Length
45 ft
4 main spans
Daily traffic
16,133
2023 count
Owner
State
State Highway Agency

About this bridge

SH 21 over Draw is a concrete culvert carrying SH 21 over Draw in Bastrop County, Texas. It was built in 1943 and reconstructed in 1991, so it is 82 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 16,133 vehicles a day, roughly 14% of them trucks, projected to reach 16,638 by 2039. The structure is 45 ft (13.7 m) long. If it were closed, the detour would be 21.7 mi (35 km).

CarriesSH 21
CrossesDraw
Location1.4 MI E of FM 812
RouteState Highway 21
StateTexas
Coordinates30.08181, -97.55192
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadUnknown
Structure length45 ft (13.7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,133 (2023)
Projected traffic16,638 by 2039
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 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 Draw built?

It was built in 1943, making it 82 years old in 2025. It was reconstructed in 1991.

What condition is SH 21 over Draw 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 November 2024.

How much traffic does SH 21 over Draw carry?

About 16,133 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is SH 21 over Draw?

The structure is 45 ft (13.7 m) long with a longest span of 10 ft (3 m).

Who owns SH 21 over Draw?

It is owned by the State Highway Agency.