US Bridges

South 12th Street over Flat Creek

FairPosted for load

McLennan County, Texas · 1.45 MI S of SH 6 · Structure no. 091610AA0777001

Built
1968
57 years old
Condition
Fair
inspected February 2024
Type
Other
Prestressed Concrete
Length
56 ft
2 main spans
Daily traffic
652
2022 count
Owner
County
County Highway Agency

About this bridge

South 12th Street over Flat Creek is a prestressed concrete other carrying South 12th Street over Flat Creek in McLennan County, Texas. It was built in 1968, so it is 57 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 652 vehicles a day, projected to reach 600 by 2036. The structure is 56 ft (17.1 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesSouth 12th Street
CrossesFlat Creek
Location1.45 MI S of SH 6
RouteCounty Highway 102
CountyMcLennan County
StateTexas
Coordinates31.48941, -97.09571
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating24 US tons

Structure

Structure typeOther
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadUnknown
Structure length56 ft (17.1 m)
Longest span28 ft (8.5 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic652 (2022)
Projected traffic600 by 2036
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$313,000
NavigationNo navigation control on waterway

Frequently asked questions

When was South 12th Street over Flat Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is South 12th Street over Flat 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 February 2024.

How much traffic does South 12th Street over Flat Creek carry?

About 652 vehicles per day (2022 count).

How long is South 12th Street over Flat Creek?

The structure is 56 ft (17.1 m) long with a longest span of 28 ft (8.5 m) and a deck 24 ft wide.

Who owns South 12th Street over Flat Creek?

It is owned by the County Highway Agency.