US Bridges

IH 10 EB over Mason RD

Good

Harris County, Texas · 6.4 MI W of SH 6 · Structure no. 121020027106539

Built
2005
20 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
300 ft
1 main span
Daily traffic
115,258
2019 count
Owner
State
State Highway Agency

About this bridge

IH 10 EB over Mason RD is a prestressed concrete stringer/multi-beam or girder carrying IH 10 EB over Mason RD in Harris County, Texas. It was built in 2005, so it is 20 years old, younger than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 115,258 vehicles a day, roughly 8% of them trucks, projected to reach 139,390 by 2033. The structure is 300 ft (91.4 m) long and 111 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIH 10 EB
CrossesMason RD
Location6.4 MI W of SH 6
RouteInterstate 10
StateTexas
Coordinates29.78503, -95.75189
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than 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

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 25 or greater
Structure length300 ft (91.4 m)
Longest span125 ft (38.1 m)
Deck width111 ft (33.7 m)
Roadway width108 ft (33 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic115,258 (2019)
Projected traffic139,390 by 2033
Trucks8%
Lanes on structure5
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 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 10 EB over Mason RD built?

It was built in 2005, making it 20 years old in 2025.

What condition is IH 10 EB over Mason RD in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2024.

How much traffic does IH 10 EB over Mason RD carry?

About 115,258 vehicles per day (2019 count), of which roughly 8% are trucks.

How long is IH 10 EB over Mason RD?

The structure is 300 ft (91.4 m) long with a longest span of 125 ft (38.1 m) and a deck 111 ft wide.

Who owns IH 10 EB over Mason RD?

It is owned by the State Highway Agency.