US Bridges

IH 820 SB over Brentwood Stair RD

Fair

Tarrant County, Texas · 0.75 MI N of Lancaster · Structure no. 022200000813438

Built
1991
34 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
168 ft
1 main span
Daily traffic
54,302
2023 count
Owner
State
State Highway Agency

About this bridge

IH 820 SB over Brentwood Stair RD is a prestressed concrete stringer/multi-beam or girder carrying IH 820 SB over Brentwood Stair RD in Tarrant County, Texas. It was built in 1991, so it is 34 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 54,302 vehicles a day, roughly 5% of them trucks, projected to reach 71,790 by 2035. The structure is 168 ft (51.2 m) long and 87 ft wide.

CarriesIH 820 SB
CrossesBrentwood Stair RD
Location0.75 MI N of Lancaster
RouteInterstate 820
StateTexas
Coordinates32.75401, -97.21704
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 inspectionMay 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length168 ft (51.2 m)
Longest span77 ft (23.5 m)
Deck width87 ft (26.5 m)
Roadway width83 ft (25.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic54,302 (2023)
Projected traffic71,790 by 2035
Trucks5%
Lanes on structure5
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 IH 820 SB over Brentwood Stair RD built?

It was built in 1991, making it 34 years old in 2025.

What condition is IH 820 SB over Brentwood Stair RD 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 IH 820 SB over Brentwood Stair RD carry?

About 54,302 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is IH 820 SB over Brentwood Stair RD?

The structure is 168 ft (51.2 m) long with a longest span of 77 ft (23.5 m) and a deck 87 ft wide.

Who owns IH 820 SB over Brentwood Stair RD?

It is owned by the State Highway Agency.