US Bridges

Bayou ST over IH 10

Fair

Harris County, Texas · 3.2 MI E of Bwy 8 · Structure no. 121020050801263

Built
1981
44 years old
Condition
Fair
inspected November 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
162 ft
2 main spans
Daily traffic
1,110
2011 count
Owner
State
State Highway Agency

About this bridge

Bayou ST over IH 10 is a prestressed concrete box beam or girders - multiple carrying Bayou ST over IH 10 in Harris County, Texas. It was built in 1981, so it is 44 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 1,110 vehicles a day, projected to reach 1,710 by 2030. The structure is 162 ft (49.4 m) long and 61 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBayou ST
CrossesIH 10
Location3.2 MI E of Bwy 8
RouteCounty Highway 4795
StateTexas
Coordinates29.78611, -95.10369
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionNovember 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

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length162 ft (49.4 m)
Longest span81 ft (24.7 m)
Deck width61 ft (18.6 m)
Roadway width49 ft (14.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,110 (2011)
Projected traffic1,710 by 2030
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Bayou ST over IH 10 built?

It was built in 1981, making it 44 years old in 2025.

What condition is Bayou ST over IH 10 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 November 2022.

How much traffic does Bayou ST over IH 10 carry?

About 1,110 vehicles per day (2011 count).

How long is Bayou ST over IH 10?

The structure is 162 ft (49.4 m) long with a longest span of 81 ft (24.7 m) and a deck 61 ft wide.

Who owns Bayou ST over IH 10?

It is owned by the State Highway Agency.