US Bridges

IH 20 WB over Mexia Creek

Fair

Callahan County, Texas · 1.70 MI E of FM 2228 · Structure no. 080300000701058

Built
1949
76 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
202 ft
5 main spans
Daily traffic
11,142
2019 count
Owner
State
State Highway Agency

About this bridge

IH 20 WB over Mexia Creek is a steel stringer/multi-beam or girder carrying IH 20 WB over Mexia Creek in Callahan County, Texas. It was built in 1949, so it is 76 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 11,142 vehicles a day, roughly 31% of them trucks, projected to reach 12,530 by 2033. The structure is 202 ft (61.6 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesIH 20 WB
CrossesMexia Creek
Location1.70 MI E of FM 2228
RouteInterstate 20
CountyCallahan County
StateTexas
Coordinates32.381, -99.26986
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
Deck7 GoodSome minor problems.
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 protection7 GoodSome minor problems.
Last inspectionFebruary 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 geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating37 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length202 ft (61.6 m)
Longest span40 ft (12.2 m)
Deck width46 ft (14 m)
Roadway width43 ft (13.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,142 (2019)
Projected traffic12,530 by 2033
Trucks31%
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$221,000
NavigationNo navigation control on waterway

Frequently asked questions

When was IH 20 WB over Mexia Creek built?

It was built in 1949, making it 76 years old in 2025.

What condition is IH 20 WB over Mexia 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 February 2023.

How much traffic does IH 20 WB over Mexia Creek carry?

About 11,142 vehicles per day (2019 count), of which roughly 31% are trucks.

How long is IH 20 WB over Mexia Creek?

The structure is 202 ft (61.6 m) long with a longest span of 40 ft (12.2 m) and a deck 46 ft wide.

Who owns IH 20 WB over Mexia Creek?

It is owned by the State Highway Agency.