US Bridges

Harwin WB over Bw 8

Fair

Harris County, Texas · 3.9 MI N of US 59 · Structure no. 121020325601046

Built
1988
37 years old
Condition
Fair
inspected August 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
334 ft
4 main spans
Daily traffic
10,890
2012 count
Owner
State
State Highway Agency

About this bridge

Harwin WB over Bw 8 is a prestressed concrete stringer/multi-beam or girder carrying Harwin WB over Bw 8 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 10,890 vehicles a day, projected to reach 10,890 by 2032. The structure is 334 ft (101.8 m) long and 51 ft wide.

Location

Open in Google Maps
CarriesHarwin WB
CrossesBw 8
Location3.9 MI N of US 59
RouteCity Street 0
CountyHarris County
StateTexas
Coordinates29.71677, -95.55688
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4 (+1 approach)
Design loadHS 20
Structure length334 ft (101.8 m)
Longest span86 ft (26.2 m)
Deck width51 ft (15.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,890 (2012)
Projected traffic10,890 by 2032
Trucks0%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$30,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Harwin WB over Bw 8 built?

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

What condition is Harwin WB over Bw 8 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 August 2022.

How much traffic does Harwin WB over Bw 8 carry?

About 10,890 vehicles per day (2012 count).

How long is Harwin WB over Bw 8?

The structure is 334 ft (101.8 m) long with a longest span of 86 ft (26.2 m) and a deck 51 ft wide.

Who owns Harwin WB over Bw 8?

It is owned by the State Highway Agency.