US Bridges

IH 20 Wbml over Morgan Creek

Fair

Mitchell County, Texas · 5.7 MI W of SH 208 · Structure no. 081680000508057

Built
1957
68 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
320 ft
8 main spans
Daily traffic
10,851
2019 count
Owner
State
State Highway Agency

About this bridge

IH 20 Wbml over Morgan Creek is a concrete stringer/multi-beam or girder carrying IH 20 Wbml over Morgan Creek in Mitchell County, Texas. It was built in 1957, so it is 68 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 5 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 10,851 vehicles a day, roughly 45% of them trucks, projected to reach 7,780 by 2033. The structure is 320 ft (97.5 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesIH 20 Wbml
CrossesMorgan Creek
Location5.7 MI W of SH 208
RouteInterstate 20
CountyMitchell County
StateTexas
Coordinates32.38834, -100.95031
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57 US tons
Inventory rating34 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans8
Design loadOther
Structure length320 ft (97.5 m)
Longest span40 ft (12.2 m)
Deck width43 ft (13 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,851 (2019)
Projected traffic7,780 by 2033
Trucks45%
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 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 IH 20 Wbml over Morgan Creek built?

It was built in 1957, making it 68 years old in 2025.

What condition is IH 20 Wbml over Morgan Creek 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 May 2023.

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

About 10,851 vehicles per day (2019 count), of which roughly 45% are trucks.

How long is IH 20 Wbml over Morgan Creek?

The structure is 320 ft (97.5 m) long with a longest span of 40 ft (12.2 m) and a deck 43 ft wide.

Who owns IH 20 Wbml over Morgan Creek?

It is owned by the State Highway Agency.