US Bridges

I-820 NB Mainlanes over Trib. Walnut Creek

Fair

Tarrant County, Texas · 1.1 MI N of US 377 · Structure no. 022200000815291

Built
1982
43 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
31 ft
2 main spans
Daily traffic
35,617
2019 count
Owner
State
State Highway Agency

About this bridge

I-820 NB Mainlanes over Trib. Walnut Creek is a concrete culvert carrying I-820 NB Mainlanes over Trib. Walnut Creek 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 35,617 vehicles a day, roughly 7% of them trucks, projected to reach 37,480 by 2033. The structure is 31 ft (9.4 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesI-820 NB Mainlanes
CrossesTrib. Walnut Creek
Location1.1 MI N of US 377
RouteInterstate 820
CountyTarrant County
StateTexas
Coordinates32.69399, -97.46898
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35,617 (2019)
Projected traffic37,480 by 2033
Trucks7%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-820 NB Mainlanes over Trib. Walnut Creek built?

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

What condition is I-820 NB Mainlanes over Trib. Walnut Creek 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 I-820 NB Mainlanes over Trib. Walnut Creek carry?

About 35,617 vehicles per day (2019 count), of which roughly 7% are trucks.

How long is I-820 NB Mainlanes over Trib. Walnut Creek?

The structure is 31 ft (9.4 m) long with a longest span of 10 ft (3 m).

Who owns I-820 NB Mainlanes over Trib. Walnut Creek?

It is owned by the State Highway Agency.