US Bridges

Phelan Blvd EB over Hillebrandt Bayou

FairPosted for load

Jefferson County, Texas · 1.8 MI E of SH 364 · Structure no. 201240B01308002

Built
1975
50 years old
Condition
Fair
inspected July 2023
Type
Other
Prestressed Concrete
Length
100 ft
4 main spans
Daily traffic
20,400
2015 count
Owner
City
City or Municipal Highway Agency

About this bridge

Phelan Blvd EB over Hillebrandt Bayou is a prestressed concrete other carrying Phelan Blvd EB over Hillebrandt Bayou in Jefferson County, Texas. It was built in 1975, so it is 50 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. Its operating status is: posted for load restriction.

It carries about 20,400 vehicles a day, projected to reach 20,400 by 2035. The structure is 100 ft (30.5 m) long and 34 ft wide.

Location

Open in Google Maps
CarriesPhelan Blvd EB
CrossesHillebrandt Bayou
Location1.8 MI E of SH 364
RouteCity Street 21
CountyJefferson County
StateTexas
Coordinates30.08151, -94.16081
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeOther
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length100 ft (30.5 m)
Longest span25 ft (7.6 m)
Deck width34 ft (10.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,400 (2015)
Projected traffic20,400 by 2035
Trucks0%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$6,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Phelan Blvd EB over Hillebrandt Bayou built?

It was built in 1975, making it 50 years old in 2025.

What condition is Phelan Blvd EB over Hillebrandt Bayou 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 Phelan Blvd EB over Hillebrandt Bayou carry?

About 20,400 vehicles per day (2015 count).

How long is Phelan Blvd EB over Hillebrandt Bayou?

The structure is 100 ft (30.5 m) long with a longest span of 25 ft (7.6 m) and a deck 34 ft wide.

Who owns Phelan Blvd EB over Hillebrandt Bayou?

It is owned by the City or Municipal Highway Agency.