US Bridges

SH 70 over IH 40

Fair

Gray County, Texas · JCT at Gray C/L · Structure no. 250650027507107

Built
1974
51 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
340 ft
2 main spans
Daily traffic
294
2023 count
Owner
State
State Highway Agency

About this bridge

SH 70 over IH 40 is a prestressed concrete stringer/multi-beam or girder carrying SH 70 over IH 40 in Gray County, Texas. It was built in 1974, so it is 51 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 294 vehicles a day, roughly 18% of them trucks, projected to reach 1,610 by 2033. The structure is 340 ft (103.6 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSH 70
CrossesIH 40
LocationJCT at Gray C/L
RouteState Highway 70
CountyGray County
StateTexas
Coordinates35.18289, -100.90774
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length340 ft (103.6 m)
Longest span110 ft (33.5 m)
Deck width50 ft (15.3 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic294 (2023)
Projected traffic1,610 by 2033
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SH 70 over IH 40 built?

It was built in 1974, making it 51 years old in 2025.

What condition is SH 70 over IH 40 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 SH 70 over IH 40 carry?

About 294 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is SH 70 over IH 40?

The structure is 340 ft (103.6 m) long with a longest span of 110 ft (33.5 m) and a deck 50 ft wide.

Who owns SH 70 over IH 40?

It is owned by the State Highway Agency.