US Bridges

SH 21; SH 71 Ebfr over Uprr; Mlk; Gills Br

Good

Bastrop County, Texas · 0.3 MI W of SH 21/SH 95 · Structure no. 140110026505140

Built
2021
4 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
507 ft
3 main spans
Daily traffic
20,680
2023 count
Owner
State
State Highway Agency

About this bridge

SH 21; SH 71 Ebfr over Uprr; Mlk; Gills Br is a prestressed concrete stringer/multi-beam or girder carrying SH 21; SH 71 Ebfr over Uprr; Mlk; Gills Br in Bastrop County, Texas. It was built in 2021, so it is 4 years old, younger 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 20,680 vehicles a day, roughly 5% of them trucks, projected to reach 28,952 by 2042. The structure is 507 ft (154.5 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSH 21; SH 71 Ebfr
CrossesUprr; Mlk; Gills Br
Location0.3 MI W of SH 21/SH 95
RouteState Highway 21
CountyBastrop County
StateTexas
Coordinates30.10458, -97.31346
Functional classUrban Collector

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadHL 93
Structure length507 ft (154.5 m)
Longest span128 ft (39 m)
Deck width44 ft (13.4 m)
Roadway width41 ft (12.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,680 (2023)
Projected traffic28,952 by 2042
Trucks5%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway, waterway and railroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 21; SH 71 Ebfr over Uprr; Mlk; Gills Br built?

It was built in 2021, making it 4 years old in 2025.

What condition is SH 21; SH 71 Ebfr over Uprr; Mlk; Gills Br 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; SH 71 Ebfr over Uprr; Mlk; Gills Br carry?

About 20,680 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is SH 21; SH 71 Ebfr over Uprr; Mlk; Gills Br?

The structure is 507 ft (154.5 m) long with a longest span of 128 ft (39 m) and a deck 44 ft wide.

Who owns SH 21; SH 71 Ebfr over Uprr; Mlk; Gills Br?

It is owned by the State Highway Agency.