US Bridges

Gladys Avenue over Hillebrandt Bayou

Good

Jefferson County, Texas · 1.6 MI E of SH 364 · Structure no. 201240B00492001

Built
1994
31 years old
Condition
Good
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
92 ft
2 main spans
Daily traffic
1,340
2015 count
Owner
City
City or Municipal Highway Agency

About this bridge

Gladys Avenue over Hillebrandt Bayou is a prestressed concrete box beam or girders - multiple carrying Gladys Avenue over Hillebrandt Bayou in Jefferson County, Texas. It was built in 1994, so it is 31 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 1,340 vehicles a day, projected to reach 2,000 by 2035. The structure is 92 ft (28 m) long and 42 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesGladys Avenue
CrossesHillebrandt Bayou
Location1.6 MI E of SH 364
RouteCity Street 11
CountyJefferson County
StateTexas
Coordinates30.09308, -94.16469
Functional classUrban Collector

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length92 ft (28 m)
Longest span45 ft (13.7 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,340 (2015)
Projected traffic2,000 by 2035
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$155,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Gladys Avenue over Hillebrandt Bayou built?

It was built in 1994, making it 31 years old in 2025.

What condition is Gladys Avenue over Hillebrandt Bayou 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 July 2023.

How much traffic does Gladys Avenue over Hillebrandt Bayou carry?

About 1,340 vehicles per day (2015 count).

How long is Gladys Avenue over Hillebrandt Bayou?

The structure is 92 ft (28 m) long with a longest span of 45 ft (13.7 m) and a deck 42 ft wide.

Who owns Gladys Avenue over Hillebrandt Bayou?

It is owned by the City or Municipal Highway Agency.