US Bridges

Griffin ST Off-Rp over IH 30 Wbml

Fair

Dallas County, Texas · 0.6 MI W of IH 45 · Structure no. 180570000911269

Built
1965
60 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
120 ft
1 main span
Daily traffic
5,947
2016 count
Owner
State
State Highway Agency

About this bridge

Griffin ST Off-Rp over IH 30 Wbml is a steel stringer/multi-beam or girder carrying Griffin ST Off-Rp over IH 30 Wbml in Dallas County, Texas. It was built in 1965, so it is 60 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 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 5,947 vehicles a day, projected to reach 10,705 by 2036. The structure is 120 ft (36.6 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesGriffin ST Off-Rp
CrossesIH 30 Wbml
Location0.6 MI W of IH 45
RouteCity Street 66
CountyDallas County
StateTexas
Coordinates32.77485, -96.79016
Functional classUrban Other Principal 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length120 ft (36.6 m)
Longest span116 ft (35.4 m)
Deck width26 ft (7.8 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,947 (2016)
Projected traffic10,705 by 2036
Trucks0%
Lanes on structure1
Traffic directionOne-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 Griffin ST Off-Rp over IH 30 Wbml built?

It was built in 1965, making it 60 years old in 2025.

What condition is Griffin ST Off-Rp over IH 30 Wbml 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 March 2024.

How much traffic does Griffin ST Off-Rp over IH 30 Wbml carry?

About 5,947 vehicles per day (2016 count).

How long is Griffin ST Off-Rp over IH 30 Wbml?

The structure is 120 ft (36.6 m) long with a longest span of 116 ft (35.4 m) and a deck 26 ft wide.

Who owns Griffin ST Off-Rp over IH 30 Wbml?

It is owned by the State Highway Agency.