US Bridges

Mill Creek RD over Mill Creek

PoorPosted for load

Austin County, Texas · 2.10 MI SW of Austin ST · Structure no. 130080AA0366003

Built
1983
42 years old
Condition
Poor
inspected December 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
352 ft
7 main spans
Daily traffic
81
2022 count
Owner
County
County Highway Agency

About this bridge

Mill Creek RD over Mill Creek is a prestressed concrete box beam or girders - multiple carrying Mill Creek RD over Mill Creek in Austin County, Texas. It was built in 1983, so it is 42 years old, younger than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 2 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 81 vehicles a day, roughly 3% of them trucks, projected to reach 90 by 2042. The structure is 352 ft (107.3 m) long and 26 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesMill Creek RD
CrossesMill Creek
Location2.10 MI SW of Austin ST
RouteCounty Highway 0
StateTexas
Coordinates29.92912, -96.29425
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Channel and channel protection2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Last inspectionDecember 2024
Inspection intervalevery 6 months
Operating statusPosted for load restriction
ScourScour critical; extensive scour has occurred
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating4 US tons
Inventory rating3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans7
Design loadUnknown
Structure length352 ft (107.3 m)
Longest span50 ft (15.2 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic81 (2022)
Projected traffic90 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$3 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Mill Creek RD over Mill Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is Mill Creek RD over Mill Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in December 2024.

How much traffic does Mill Creek RD over Mill Creek carry?

About 81 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Mill Creek RD over Mill Creek?

The structure is 352 ft (107.3 m) long with a longest span of 50 ft (15.2 m) and a deck 26 ft wide.

Who owns Mill Creek RD over Mill Creek?

It is owned by the County Highway Agency.