US Bridges

IH 45 NB / Bw 8 EB over IH 45 Nbfr & Bw 8 Ebfr

Fair

Harris County, Texas · IH 45 NB to Bw 8 EB · Structure no. 121020011006098

Built
1986
39 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,096 ft
10 main spans
Daily traffic
23,180
2013 count
Owner
State
State Highway Agency

About this bridge

IH 45 NB / Bw 8 EB over IH 45 Nbfr & Bw 8 Ebfr is a prestressed concrete stringer/multi-beam or girder carrying IH 45 NB / Bw 8 EB over IH 45 Nbfr & Bw 8 Ebfr in Harris County, Texas. It was built in 1986, so it is 39 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 5 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 23,180 vehicles a day, roughly 6% of them trucks, projected to reach 32,450 by 2033. The structure is 1,096 ft (334.1 m) long and 38 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesIH 45 NB / Bw 8 EB
CrossesIH 45 Nbfr & Bw 8 Ebfr
LocationIH 45 NB to Bw 8 EB
RouteInterstate 45
CountyHarris County
StateTexas
Coordinates29.93977, -95.41185
Functional classUrban Principal Arterial - Interstate

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: 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 spans10
Design loadHS 20
Structure length1,096 ft (334.1 m)
Longest span113 ft (34.4 m)
Deck width38 ft (11.7 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deck26 ft (7.9 m)

Traffic and service

Average daily traffic23,180 (2013)
Projected traffic32,450 by 2033
Trucks6%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 IH 45 NB / Bw 8 EB over IH 45 Nbfr & Bw 8 Ebfr built?

It was built in 1986, making it 39 years old in 2025.

What condition is IH 45 NB / Bw 8 EB over IH 45 Nbfr & Bw 8 Ebfr 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 2024.

How much traffic does IH 45 NB / Bw 8 EB over IH 45 Nbfr & Bw 8 Ebfr carry?

About 23,180 vehicles per day (2013 count), of which roughly 6% are trucks.

How long is IH 45 NB / Bw 8 EB over IH 45 Nbfr & Bw 8 Ebfr?

The structure is 1,096 ft (334.1 m) long with a longest span of 113 ft (34.4 m) and a deck 38 ft wide.

Who owns IH 45 NB / Bw 8 EB over IH 45 Nbfr & Bw 8 Ebfr?

It is owned by the State Highway Agency.