US Bridges

El Dorado Blvd NB over Horsepen Bayou

Fair

Harris County, Texas · 0.05 MI S of Brook Forest · Structure no. 121020B21905641

Built
1975
50 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
167 ft
3 main spans
Daily traffic
11,370
2010 count
Owner
City
City or Municipal Highway Agency

About this bridge

El Dorado Blvd NB over Horsepen Bayou is a prestressed concrete box beam or girders - multiple carrying El Dorado Blvd NB over Horsepen Bayou in Harris 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 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 11,370 vehicles a day, projected to reach 5,850 by 2028. The structure is 167 ft (50.9 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesEl Dorado Blvd NB
CrossesHorsepen Bayou
Location0.05 MI S of Brook Forest
RouteCity Street 0
CountyHarris County
StateTexas
Coordinates29.58421, -95.1185
Functional classUrban Collector

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
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 typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length167 ft (50.9 m)
Longest span55 ft (16.8 m)
Deck width34 ft (10.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,370 (2010)
Projected traffic5,850 by 2028
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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$10,000
NavigationNo navigation control on waterway

Frequently asked questions

When was El Dorado Blvd NB over Horsepen Bayou built?

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

What condition is El Dorado Blvd NB over Horsepen 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 September 2023.

How much traffic does El Dorado Blvd NB over Horsepen Bayou carry?

About 11,370 vehicles per day (2010 count).

How long is El Dorado Blvd NB over Horsepen Bayou?

The structure is 167 ft (50.9 m) long with a longest span of 55 ft (16.8 m) and a deck 34 ft wide.

Who owns El Dorado Blvd NB over Horsepen Bayou?

It is owned by the City or Municipal Highway Agency.