US Bridges

Commerce Street over Post Oak Creek

Fair

Navarro County, Texas · 0.2 Mi. N. of 1st. Ave. · Structure no. 181750B00235001

Built
1966
59 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
120 ft
3 main spans
Daily traffic
877
2014 count
Owner
City
City or Municipal Highway Agency

About this bridge

Commerce Street over Post Oak Creek is a concrete stringer/multi-beam or girder carrying Commerce Street over Post Oak Creek in Navarro County, Texas. It was built in 1966, so it is 59 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 5 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 877 vehicles a day, projected to reach 300 by 2031. The structure is 120 ft (36.6 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCommerce Street
CrossesPost Oak Creek
Location0.2 Mi. N. of 1st. Ave.
RouteCity Street 0
StateTexas
Coordinates32.10137, -96.46773
Functional classUrban 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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being 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 rating60 US tons
Inventory rating36 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length120 ft (36.6 m)
Longest span40 ft (12.2 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic877 (2014)
Projected traffic300 by 2031
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Commerce Street over Post Oak Creek built?

It was built in 1966, making it 59 years old in 2025.

What condition is Commerce Street 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 2024.

How much traffic does Commerce Street over Post Oak Creek carry?

About 877 vehicles per day (2014 count).

How long is Commerce Street over Post Oak Creek?

The structure is 120 ft (36.6 m) long with a longest span of 40 ft (12.2 m) and a deck 33 ft wide.

Who owns Commerce Street over Post Oak Creek?

It is owned by the City or Municipal Highway Agency.