US Bridges

IH 10 over North Main ST

Fair

Harris County, Texas · 6.0 MI E of San Jac River · Structure no. 121020050801333

Built
2001
24 years old
Condition
Fair
inspected September 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
307 ft
3 main spans
Daily traffic
72,500
2020 count
Owner
State
State Highway Agency

About this bridge

IH 10 over North Main ST is a prestressed concrete stringer/multi-beam or girder carrying IH 10 over North Main ST in Harris County, Texas. It was built in 2001, so it is 24 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 72,500 vehicles a day, roughly 20% of them trucks, projected to reach 101,840 by 2033. The structure is 307 ft (93.6 m) long and 115 ft wide.

Location

Open in Google Maps
CarriesIH 10
CrossesNorth Main ST
Location6.0 MI E of San Jac River
RouteInterstate 10
CountyHarris County
StateTexas
Coordinates29.80792, -94.96525
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
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, precast panels
Main spans3
Design loadHS 20
Structure length307 ft (93.6 m)
Longest span117 ft (35.7 m)
Deck width115 ft (35.1 m)
Roadway width110 ft (33.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic72,500 (2020)
Projected traffic101,840 by 2033
Trucks20%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$178,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 10 over North Main ST built?

It was built in 2001, making it 24 years old in 2025.

What condition is IH 10 over North Main ST 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 2022.

How much traffic does IH 10 over North Main ST carry?

About 72,500 vehicles per day (2020 count), of which roughly 20% are trucks.

How long is IH 10 over North Main ST?

The structure is 307 ft (93.6 m) long with a longest span of 117 ft (35.7 m) and a deck 115 ft wide.

Who owns IH 10 over North Main ST?

It is owned by the State Highway Agency.