US Bridges

Mill Creek RD over Cat Spring Creek

Fair

Austin County, Texas · 0.75 MI N of FM 949 · Structure no. 130080AA0366006

Built
1980
45 years old
Condition
Fair
inspected January 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
62 ft
1 main span
Daily traffic
74
2022 count
Owner
County
County Highway Agency

About this bridge

Mill Creek RD over Cat Spring Creek is a prestressed concrete box beam or girders - multiple carrying Mill Creek RD over Cat Spring Creek in Austin 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.

It carries about 74 vehicles a day, roughly 3% of them trucks, projected to reach 90 by 2042. The structure is 62 ft (18.9 m) long and 26 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesMill Creek RD
CrossesCat Spring Creek
Location0.75 MI N of FM 949
RouteCounty Highway 0
StateTexas
Coordinates29.87619, -96.31232
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating36 US tons
Inventory rating27 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length62 ft (18.9 m)
Longest span60 ft (18.3 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic74 (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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mill Creek RD over Cat Spring Creek built?

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

What condition is Mill Creek RD over Cat Spring 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 January 2024.

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

About 74 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Mill Creek RD over Cat Spring Creek?

The structure is 62 ft (18.9 m) long with a longest span of 60 ft (18.3 m) and a deck 26 ft wide.

Who owns Mill Creek RD over Cat Spring Creek?

It is owned by the County Highway Agency.