US Bridges

I20 WB N Collector over IH820 Nbl

Fair

Tarrant County, Texas · 0.7 MI NW of US 377 · Structure no. 022200000816324

Built
1986
39 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
400 ft
1 main span
Daily traffic
3,630
2013 count
Owner
State
State Highway Agency

About this bridge

I20 WB N Collector over IH820 Nbl is a steel continuous stringer/multi-beam or girder carrying I20 WB N Collector over IH820 Nbl in Tarrant County, Texas. It was built in 1986, so it is 39 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 3,630 vehicles a day, roughly 1% of them trucks, projected to reach 5,080 by 2033. The structure is 400 ft (121.9 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI20 WB N Collector
CrossesIH820 Nbl
Location0.7 MI NW of US 377
RouteInterstate 20
StateTexas
Coordinates32.6936, -97.46877
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 24 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 rating56 US tons
Inventory rating33 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length400 ft (121.9 m)
Longest span160 ft (48.8 m)
Deck width28 ft (8.5 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,630 (2013)
Projected traffic5,080 by 2033
Trucks1%
Lanes on structure1
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 I20 WB N Collector over IH820 Nbl built?

It was built in 1986, making it 39 years old in 2025.

What condition is I20 WB N Collector over IH820 Nbl 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 I20 WB N Collector over IH820 Nbl carry?

About 3,630 vehicles per day (2013 count), of which roughly 1% are trucks.

How long is I20 WB N Collector over IH820 Nbl?

The structure is 400 ft (121.9 m) long with a longest span of 160 ft (48.8 m) and a deck 28 ft wide.

Who owns I20 WB N Collector over IH820 Nbl?

It is owned by the State Highway Agency.