US Bridges

N Houston Rosslyn over White Oak Bayou

Fair

Harris County, Texas · 0.10 MI S of W Gulf Bank · Structure no. 121020B47559001

Built
1988
37 years old
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
210 ft
5 main spans
Daily traffic
15,000
2015 count
Owner
City
City or Municipal Highway Agency

About this bridge

N Houston Rosslyn over White Oak Bayou is a prestressed concrete box beam or girders - multiple carrying N Houston Rosslyn over White Oak Bayou in Harris County, Texas. It was built in 1988, so it is 37 years old, younger 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 15,000 vehicles a day, roughly 2% of them trucks, projected to reach 16,000 by 2035. The structure is 210 ft (64 m) long and 92 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesN Houston Rosslyn
CrossesWhite Oak Bayou
Location0.10 MI S of W Gulf Bank
RouteCity Street 0
CountyHarris County
StateTexas
Coordinates29.87673, -95.49446
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 spans5
Design loadUnknown
Structure length210 ft (64 m)
Longest span42 ft (12.8 m)
Deck width92 ft (28 m)
Roadway width66 ft (20.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,000 (2015)
Projected traffic16,000 by 2035
Trucks2%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$35,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N Houston Rosslyn over White Oak Bayou built?

It was built in 1988, making it 37 years old in 2025.

What condition is N Houston Rosslyn over White Oak 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 October 2023.

How much traffic does N Houston Rosslyn over White Oak Bayou carry?

About 15,000 vehicles per day (2015 count), of which roughly 2% are trucks.

How long is N Houston Rosslyn over White Oak Bayou?

The structure is 210 ft (64 m) long with a longest span of 42 ft (12.8 m) and a deck 92 ft wide.

Who owns N Houston Rosslyn over White Oak Bayou?

It is owned by the City or Municipal Highway Agency.