US Bridges

IH 20 WB over Mountain Creek Pkwy

Fair

Dallas County, Texas · 0.9 MI E of Belt Line RD · Structure no. 180570237404254

Built
1974
51 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
215 ft
4 main spans
Daily traffic
104,366
2023 count
Owner
State
State Highway Agency

About this bridge

IH 20 WB over Mountain Creek Pkwy is a prestressed concrete stringer/multi-beam or girder carrying IH 20 WB over Mountain Creek Pkwy in Dallas County, Texas. It was built in 1974, so it is 51 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 104,366 vehicles a day, roughly 10% of them trucks, projected to reach 124,168 by 2041. The structure is 215 ft (65.5 m) long and 74 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIH 20 WB
CrossesMountain Creek Pkwy
Location0.9 MI E of Belt Line RD
RouteInterstate 20
StateTexas
Coordinates32.67085, -96.9702
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 48 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 rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length215 ft (65.5 m)
Longest span56 ft (17.1 m)
Deck width74 ft (22.5 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic104,366 (2023)
Projected traffic124,168 by 2041
Trucks10%
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 20 WB over Mountain Creek Pkwy built?

It was built in 1974, making it 51 years old in 2025.

What condition is IH 20 WB over Mountain Creek Pkwy 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 20 WB over Mountain Creek Pkwy carry?

About 104,366 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is IH 20 WB over Mountain Creek Pkwy?

The structure is 215 ft (65.5 m) long with a longest span of 56 ft (17.1 m) and a deck 74 ft wide.

Who owns IH 20 WB over Mountain Creek Pkwy?

It is owned by the State Highway Agency.