US Bridges

US 75 over Post Oak Crk Trib

Fair

Grayson County, Texas · 0.02 MI S of SH 91 · Structure no. 010920004702032

Built
1981
44 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete
Length
24 ft
3 main spans
Daily traffic
13,766
2020 count
Owner
State
State Highway Agency

About this bridge

US 75 over Post Oak Crk Trib is a concrete culvert carrying US 75 over Post Oak Crk Trib in Grayson County, Texas. It was built in 1981, so it is 44 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 13,766 vehicles a day, projected to reach 19,460 by 2031. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS 75
CrossesPost Oak Crk Trib
Location0.02 MI S of SH 91
RouteState Highway 75
CountyGrayson County
StateTexas
Coordinates33.6504, -96.61165
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,766 (2020)
Projected traffic19,460 by 2031
Trucks0%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US 75 over Post Oak Crk Trib built?

It was built in 1981, making it 44 years old in 2025.

What condition is US 75 over Post Oak Crk Trib 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 May 2023.

How much traffic does US 75 over Post Oak Crk Trib carry?

About 13,766 vehicles per day (2020 count).

How long is US 75 over Post Oak Crk Trib?

The structure is 24 ft (7.3 m) long with a longest span of 7 ft (2.1 m).

Who owns US 75 over Post Oak Crk Trib?

It is owned by the State Highway Agency.