US Bridges

SH 180 WB over Mountain Creek Relief #1

Fair

Dallas County, Texas · 1.60 MI W of Loop 12 · Structure no. 180570000808168

Built
1967
58 years old
Condition
Fair
inspected December 2023
Type
Slab
Concrete Continuous
Length
238 ft
9 main spans
Daily traffic
9,569
2023 count
Owner
State
State Highway Agency

About this bridge

SH 180 WB over Mountain Creek Relief #1 is a concrete continuous slab carrying SH 180 WB over Mountain Creek Relief #1 in Dallas County, Texas. It was built in 1967, so it is 58 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 9,569 vehicles a day, roughly 5% of them trucks, projected to reach 12,080 by 2033. The structure is 238 ft (72.5 m) long and 51 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSH 180 WB
CrossesMountain Creek Relief #1
Location1.60 MI W of Loop 12
RouteState Highway 180
CountyDallas County
StateTexas
Coordinates32.74858, -96.94582
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating33 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans9
Design loadH 20
Structure length238 ft (72.5 m)
Longest span27 ft (8.2 m)
Deck width51 ft (15.6 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,569 (2023)
Projected traffic12,080 by 2033
Trucks5%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 180 WB over Mountain Creek Relief #1 built?

It was built in 1967, making it 58 years old in 2025.

What condition is SH 180 WB over Mountain Creek Relief #1 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 SH 180 WB over Mountain Creek Relief #1 carry?

About 9,569 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is SH 180 WB over Mountain Creek Relief #1?

The structure is 238 ft (72.5 m) long with a longest span of 27 ft (8.2 m) and a deck 51 ft wide.

Who owns SH 180 WB over Mountain Creek Relief #1?

It is owned by the State Highway Agency.