US Bridges

CR NW 4070 over Post Oak Creek

FairPosted for load

Navarro County, Texas · 1.30 MI E of FM 667 · Structure no. 181750AA0143001

Built
1991
34 years old
Condition
Fair
inspected November 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
39 ft
1 main span
Daily traffic
100
2019 count
Owner
County
County Highway Agency

About this bridge

CR NW 4070 over Post Oak Creek is a steel stringer/multi-beam or girder carrying CR NW 4070 over Post Oak Creek in Navarro County, Texas. It was built in 1991, so it is 34 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 5 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 100 vehicles a day, projected to reach 50 by 2031. The structure is 39 ft (11.9 m) long and 20 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
CarriesCR NW 4070
CrossesPost Oak Creek
Location1.30 MI E of FM 667
RouteCounty Highway 4070
CountyNavarro County
StateTexas
Coordinates32.03967, -96.7414
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionNovember 2022
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
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 alignment6: Equal to present minimum criteria
Operating rating28 US tons
Inventory rating20 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length39 ft (11.9 m)
Longest span39 ft (11.9 m)
Deck width20 ft (6.2 m)
Roadway width19 ft (5.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2019)
Projected traffic50 by 2031
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 CR NW 4070 over Post Oak Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is CR NW 4070 over Post Oak 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 November 2022.

How much traffic does CR NW 4070 over Post Oak Creek carry?

About 100 vehicles per day (2019 count).

How long is CR NW 4070 over Post Oak Creek?

The structure is 39 ft (11.9 m) long with a longest span of 39 ft (11.9 m) and a deck 20 ft wide.

Who owns CR NW 4070 over Post Oak Creek?

It is owned by the County Highway Agency.