US Bridges

Bw 8 NB over IH10 UPRR Carpenters Byu

Fair

Harris County, Texas · IH 10 Atbw 8 E Interchg · Structure no. 121020050801453

Built
1994
31 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
3,727 ft
28 main spans
Daily traffic
32,776
2023 count
Owner
State
State Highway Agency

About this bridge

Bw 8 NB over IH10 UPRR Carpenters Byu is a prestressed concrete stringer/multi-beam or girder carrying Bw 8 NB over IH10 UPRR Carpenters Byu in Harris 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 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 32,776 vehicles a day, roughly 14% of them trucks, projected to reach 45,230 by 2042. The structure is 3,727 ft (1,136 m) long and 62 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesBw 8 NB
CrossesIH10 UPRR Carpenters Byu
LocationIH 10 Atbw 8 E Interchg
RouteState Highway 8
CountyHarris County
StateTexas
Coordinates29.77103, -95.15336
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
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 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans28 (+5 approach)
Design loadHS 20
Structure length3,727 ft (1,136 m)
Longest span125 ft (38.1 m)
Deck width62 ft (18.8 m)
Roadway width59 ft (17.9 m)
Vertical clearance over deck17 ft (5.2 m)

Traffic and service

Average daily traffic32,776 (2023)
Projected traffic45,230 by 2042
Trucks14%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway, waterway and railroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Bw 8 NB over IH10 UPRR Carpenters Byu built?

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

What condition is Bw 8 NB over IH10 UPRR Carpenters Byu 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 2024.

How much traffic does Bw 8 NB over IH10 UPRR Carpenters Byu carry?

About 32,776 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is Bw 8 NB over IH10 UPRR Carpenters Byu?

The structure is 3,727 ft (1,136 m) long with a longest span of 125 ft (38.1 m) and a deck 62 ft wide.

Who owns Bw 8 NB over IH10 UPRR Carpenters Byu?

It is owned by the State Highway Agency.