US Bridges

IH 45 SB over White Oak Byu & IH10 WB

Fair

Harris County, Texas · @ IH-10 & IH-45 · Structure no. 121020050003111

Built
1961
64 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,866 ft
4 main spans
Daily traffic
69,418
2023 count
Owner
State
State Highway Agency

About this bridge

IH 45 SB over White Oak Byu & IH10 WB is a steel continuous stringer/multi-beam or girder carrying IH 45 SB over White Oak Byu & IH10 WB in Harris County, Texas. It was built in 1961, so it is 64 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 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 69,418 vehicles a day, roughly 5% of them trucks, projected to reach 125,028 by 2039. The structure is 1,866 ft (568.8 m) long and 71 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesIH 45 SB
CrossesWhite Oak Byu & IH10 WB
Location@ IH-10 & IH-45
RouteInterstate 45
CountyHarris County
StateTexas
Coordinates29.778, -95.3694
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating30 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4 (+23 approach)
Design loadHS 20
Structure length1,866 ft (568.8 m)
Longest span170 ft (51.8 m)
Deck width71 ft (21.6 m)
Roadway width67 ft (20.5 m)
Vertical clearance over deck17 ft (5.3 m)

Traffic and service

Average daily traffic69,418 (2023)
Projected traffic125,028 by 2039
Trucks5%
Lanes on structure4
Traffic directionOne-way traffic
CarriesThird level (interchange)
CrossesHighway and waterway
Detour if closed3.7 mi (6 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 statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was IH 45 SB over White Oak Byu & IH10 WB built?

It was built in 1961, making it 64 years old in 2025.

What condition is IH 45 SB over White Oak Byu & IH10 WB 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 2024.

How much traffic does IH 45 SB over White Oak Byu & IH10 WB carry?

About 69,418 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is IH 45 SB over White Oak Byu & IH10 WB?

The structure is 1,866 ft (568.8 m) long with a longest span of 170 ft (51.8 m) and a deck 71 ft wide.

Who owns IH 45 SB over White Oak Byu & IH10 WB?

It is owned by the State Highway Agency.