US Bridges

Post Oak RD over Mc Cain Creek

Fair

Washington County, Texas · 0.40 MI W of FM 1948 · Structure no. 172390AA0111001

Built
2009
16 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
53 ft
1 main span
Daily traffic
91
2022 count
Owner
County
County Highway Agency

About this bridge

Post Oak RD over Mc Cain Creek is a steel stringer/multi-beam or girder carrying Post Oak RD over Mc Cain Creek in Washington County, Texas. It was built in 2009, so it is 16 years old, younger 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 91 vehicles a day, projected to reach 90 by 2038. The structure is 53 ft (16.2 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesPost Oak RD
CrossesMc Cain Creek
Location0.40 MI W of FM 1948
RouteCounty Highway 0
CountyWashington County
StateTexas
Coordinates30.22905, -96.60529
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating62.9 US tons
Inventory rating38 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+1 approach)
Design loadUnknown
Structure length53 ft (16.2 m)
Longest span39 ft (11.9 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic91 (2022)
Projected traffic90 by 2038
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Post Oak RD over Mc Cain Creek built?

It was built in 2009, making it 16 years old in 2025.

What condition is Post Oak RD over Mc Cain 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 Post Oak RD over Mc Cain Creek carry?

About 91 vehicles per day (2022 count).

How long is Post Oak RD over Mc Cain Creek?

The structure is 53 ft (16.2 m) long with a longest span of 39 ft (11.9 m) and a deck 24 ft wide.

Who owns Post Oak RD over Mc Cain Creek?

It is owned by the County Highway Agency.