US Bridges

IH 820 NB over Martin ST

Fair

Tarrant County, Texas · 1.50 MI N of IH 20 · Structure no. 022200000813119

Built
1963
62 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
165 ft
2 main spans
Daily traffic
75,510
2023 count
Owner
State
State Highway Agency

About this bridge

IH 820 NB over Martin ST is a prestressed concrete stringer/multi-beam or girder carrying IH 820 NB over Martin ST in Tarrant County, Texas. It was built in 1963, so it is 62 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 75,510 vehicles a day, roughly 5% of them trucks, projected to reach 100,360 by 2033. The structure is 165 ft (50.3 m) long and 61 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesIH 820 NB
CrossesMartin ST
Location1.50 MI N of IH 20
RouteInterstate 820
CountyTarrant County
StateTexas
Coordinates32.68907, -97.24035
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+1 approach)
Design loadHS 20
Structure length165 ft (50.3 m)
Longest span58 ft (17.7 m)
Deck width61 ft (18.7 m)
Roadway width59 ft (18.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75,510 (2023)
Projected traffic100,360 by 2033
Trucks5%
Lanes on structure4
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 820 NB over Martin ST built?

It was built in 1963, making it 62 years old in 2025.

What condition is IH 820 NB over Martin ST 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 June 2023.

How much traffic does IH 820 NB over Martin ST carry?

About 75,510 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is IH 820 NB over Martin ST?

The structure is 165 ft (50.3 m) long with a longest span of 58 ft (17.7 m) and a deck 61 ft wide.

Who owns IH 820 NB over Martin ST?

It is owned by the State Highway Agency.