US Bridges

Mustang Drive over Alum Creek

FairPosted for load

Bastrop County, Texas · 0.8 MI SE of SH 21 · Structure no. 140110AA0188001

Built
1980
45 years old
Condition
Fair
inspected December 2023
Type
Other
Steel
Length
51 ft
1 main span
Daily traffic
114
2020 count
Owner
County
County Highway Agency

About this bridge

Mustang Drive over Alum Creek is a steel other carrying Mustang Drive over Alum Creek in Bastrop County, Texas. It was built in 1980, so it is 45 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. Its operating status is: posted for load restriction.

It carries about 114 vehicles a day, roughly 3% of them trucks, projected to reach 114 by 2042. The structure is 51 ft (15.5 m) long and 20 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesMustang Drive
CrossesAlum Creek
Location0.8 MI SE of SH 21
RouteCounty Highway 188
StateTexas
Coordinates30.15124, -97.2033
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating26 US tons
Inventory rating15 US tons

Structure

Structure typeOther
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length51 ft (15.5 m)
Longest span41 ft (12.5 m)
Deck width20 ft (6.2 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic114 (2020)
Projected traffic114 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Mustang Drive over Alum Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is Mustang Drive over Alum 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 December 2023.

How much traffic does Mustang Drive over Alum Creek carry?

About 114 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is Mustang Drive over Alum Creek?

The structure is 51 ft (15.5 m) long with a longest span of 41 ft (12.5 m) and a deck 20 ft wide.

Who owns Mustang Drive over Alum Creek?

It is owned by the County Highway Agency.