US Bridges

IH 45 over Little White Oak Byu

Fair

Harris County, Texas · 0.20 MI N of IH 10 · Structure no. 121020050003093

Built
1960
65 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete
Length
116 ft
3 main spans
Daily traffic
179,357
2020 count
Owner
State
State Highway Agency

About this bridge

IH 45 over Little White Oak Byu is a concrete culvert carrying IH 45 over Little White Oak Byu in Harris County, Texas. It was built in 1960, so it is 65 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 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 179,357 vehicles a day, roughly 7% of them trucks, projected to reach 297,630 by 2033. The structure is 116 ft (35.4 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesIH 45
CrossesLittle White Oak Byu
Location0.20 MI N of IH 10
RouteInterstate 45
CountyHarris County
StateTexas
Coordinates29.78353, -95.36864
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadOther
Structure length116 ft (35.4 m)
Longest span15 ft (4.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic179,357 (2020)
Projected traffic297,630 by 2033
Trucks7%
Lanes on structure12
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 over Little White Oak Byu built?

It was built in 1960, making it 65 years old in 2025.

What condition is IH 45 over Little White Oak 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 August 2024.

How much traffic does IH 45 over Little White Oak Byu carry?

About 179,357 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is IH 45 over Little White Oak Byu?

The structure is 116 ft (35.4 m) long with a longest span of 15 ft (4.6 m).

Who owns IH 45 over Little White Oak Byu?

It is owned by the State Highway Agency.