US Bridges

25th ST over Zawalle Outfall

Fair

Jefferson County, Texas · 0.8 MI SW of US 69 · Structure no. 201240C01645002

Built
1978
47 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
91 ft
3 main spans
Daily traffic
3,940
2015 count
Owner
City
City or Municipal Highway Agency

About this bridge

25th ST over Zawalle Outfall is a concrete stringer/multi-beam or girder carrying 25th ST over Zawalle Outfall in Jefferson County, Texas. It was built in 1978, so it is 47 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 3,940 vehicles a day, roughly 5% of them trucks, projected to reach 3,940 by 2035. The structure is 91 ft (27.7 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
Carries25th ST
CrossesZawalle Outfall
Location0.8 MI SW of US 69
RouteCity Street 0
CountyJefferson County
StateTexas
Coordinates29.89486, -93.94556
Functional classUrban Local

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length91 ft (27.7 m)
Longest span30 ft (9.1 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,940 (2015)
Projected traffic3,940 by 2035
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$90,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 25th ST over Zawalle Outfall built?

It was built in 1978, making it 47 years old in 2025.

What condition is 25th ST over Zawalle Outfall 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 July 2023.

How much traffic does 25th ST over Zawalle Outfall carry?

About 3,940 vehicles per day (2015 count), of which roughly 5% are trucks.

How long is 25th ST over Zawalle Outfall?

The structure is 91 ft (27.7 m) long with a longest span of 30 ft (9.1 m) and a deck 30 ft wide.

Who owns 25th ST over Zawalle Outfall?

It is owned by the City or Municipal Highway Agency.