US Bridges

Walnut St. over SH 78

Fair

Dallas County, Texas · 2.45 MI S of SH190 · Structure no. 180570028103042

Built
1993
32 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
108 ft
1 main span
Daily traffic
13,329
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Walnut St. over SH 78 is a prestressed concrete stringer/multi-beam or girder carrying Walnut St. over SH 78 in Dallas County, Texas. It was built in 1993, so it is 32 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 13,329 vehicles a day, projected to reach 9,000 by 2036. The structure is 108 ft (32.9 m) long and 62 ft wide.

CarriesWalnut St.
CrossesSH 78
Location2.45 MI S of SH190
RouteCity Street 0
StateTexas
Coordinates32.91662, -96.62819
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
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
Design loadHS 20
Structure length108 ft (32.9 m)
Longest span108 ft (32.9 m)
Deck width62 ft (18.9 m)
Roadway width48 ft (14.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,329 (2019)
Projected traffic9,000 by 2036
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$13,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Walnut St. over SH 78 built?

It was built in 1993, making it 32 years old in 2025.

What condition is Walnut St. over SH 78 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 December 2023.

How much traffic does Walnut St. over SH 78 carry?

About 13,329 vehicles per day (2019 count).

How long is Walnut St. over SH 78?

The structure is 108 ft (32.9 m) long with a longest span of 108 ft (32.9 m) and a deck 62 ft wide.

Who owns Walnut St. over SH 78?

It is owned by the City or Municipal Highway Agency.