US Bridges

Lawson RD over IH 20

Fair

Dallas County, Texas · 3.5 MI E of IH 635 · Structure no. 180570009513169

Built
1988
37 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
380 ft
2 main spans
Daily traffic
6,165
2022 count
Owner
State
State Highway Agency

About this bridge

Lawson RD over IH 20 is a prestressed concrete stringer/multi-beam or girder carrying Lawson RD over IH 20 in Dallas County, Texas. It was built in 1988, so it is 37 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 6,165 vehicles a day, projected to reach 4,000 by 2031. The structure is 380 ft (115.8 m) long and 85 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesLawson RD
CrossesIH 20
Location3.5 MI E of IH 635
RouteCity Street 0
CountyDallas County
StateTexas
Coordinates32.70346, -96.56921
Functional classUrban Local

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 spans2 (+2 approach)
Design loadHS 20
Structure length380 ft (115.8 m)
Longest span125 ft (38.1 m)
Deck width85 ft (25.9 m)
Roadway width69 ft (21 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,165 (2022)
Projected traffic4,000 by 2031
Trucks0%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 Lawson RD over IH 20 built?

It was built in 1988, making it 37 years old in 2025.

What condition is Lawson RD over IH 20 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 August 2023.

How much traffic does Lawson RD over IH 20 carry?

About 6,165 vehicles per day (2022 count).

How long is Lawson RD over IH 20?

The structure is 380 ft (115.8 m) long with a longest span of 125 ft (38.1 m) and a deck 85 ft wide.

Who owns Lawson RD over IH 20?

It is owned by the State Highway Agency.