US Bridges

IH 20 Wbml over Plum Creek

Good

Nolan County, Texas · 3.30 MI E of FM 1856 · Structure no. 081770000603325

Built
2000
25 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
105 ft
1 main span
Daily traffic
14,460
2019 count
Owner
State
State Highway Agency

About this bridge

IH 20 Wbml over Plum Creek is a prestressed concrete stringer/multi-beam or girder carrying IH 20 Wbml over Plum Creek in Nolan County, Texas. It was built in 2000, so it is 25 years old, younger than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 14,460 vehicles a day, roughly 37% of them trucks, projected to reach 13,620 by 2033. The structure is 105 ft (32 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIH 20 Wbml
CrossesPlum Creek
Location3.30 MI E of FM 1856
RouteInterstate 20
StateTexas
Coordinates32.49546, -100.28105
Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable 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 spans1 (+1 approach)
Design loadHS 20
Structure length105 ft (32 m)
Longest span62 ft (18.9 m)
Deck width39 ft (12 m)
Roadway width36 ft (11.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,460 (2019)
Projected traffic13,620 by 2033
Trucks37%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was IH 20 Wbml over Plum Creek built?

It was built in 2000, making it 25 years old in 2025.

What condition is IH 20 Wbml over Plum Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2023.

How much traffic does IH 20 Wbml over Plum Creek carry?

About 14,460 vehicles per day (2019 count), of which roughly 37% are trucks.

How long is IH 20 Wbml over Plum Creek?

The structure is 105 ft (32 m) long with a longest span of 62 ft (18.9 m) and a deck 39 ft wide.

Who owns IH 20 Wbml over Plum Creek?

It is owned by the State Highway Agency.