US Bridges

IH820 Sbl over Spur 580

Fair

Tarrant County, Texas · 0.4 MI North of Chapin RD · Structure no. 022200000815295

Built
1982
43 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
265 ft
1 main span
Daily traffic
36,049
2023 count
Owner
State
State Highway Agency

About this bridge

IH820 Sbl over Spur 580 is a prestressed concrete stringer/multi-beam or girder carrying IH820 Sbl over Spur 580 in Tarrant County, Texas. It was built in 1982, so it is 43 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 36,049 vehicles a day, roughly 7% of them trucks, projected to reach 37,480 by 2033. The structure is 265 ft (80.8 m) long and 58 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesIH820 Sbl
CrossesSpur 580
Location0.4 MI North of Chapin RD
RouteInterstate 820
CountyTarrant County
StateTexas
Coordinates32.72459, -97.4805
Functional classUrban Principal Arterial - Interstate

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length265 ft (80.8 m)
Longest span118 ft (36 m)
Deck width58 ft (17.7 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,049 (2023)
Projected traffic37,480 by 2033
Trucks7%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH820 Sbl over Spur 580 built?

It was built in 1982, making it 43 years old in 2025.

What condition is IH820 Sbl over Spur 580 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 September 2023.

How much traffic does IH820 Sbl over Spur 580 carry?

About 36,049 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is IH820 Sbl over Spur 580?

The structure is 265 ft (80.8 m) long with a longest span of 118 ft (36 m) and a deck 58 ft wide.

Who owns IH820 Sbl over Spur 580?

It is owned by the State Highway Agency.