US Bridges

Magnolia Ave over IH 10

Good

Harris County, Texas · 2.20 MI E of Sheldon RD · Structure no. 121020050801245

Built
1982
43 years old
Condition
Good
inspected November 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
165 ft
2 main spans
Daily traffic
3,500
2011 count
Owner
State
State Highway Agency

About this bridge

Magnolia Ave over IH 10 is a prestressed concrete box beam or girders - multiple carrying Magnolia Ave over IH 10 in Harris County, Texas. It was built in 1982, so it is 43 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 3,500 vehicles a day, roughly 15% of them trucks, projected to reach 6,000 by 2030. The structure is 165 ft (50.3 m) long and 61 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesMagnolia Ave
CrossesIH 10
Location2.20 MI E of Sheldon RD
RouteCity Street 0
CountyHarris County
StateTexas
Coordinates29.7905, -95.08963
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2022
Inspection intervalevery 48 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

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length165 ft (50.3 m)
Longest span83 ft (25.3 m)
Deck width61 ft (18.6 m)
Roadway width49 ft (14.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,500 (2011)
Projected traffic6,000 by 2030
Trucks15%
Lanes on structure2
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 Magnolia Ave over IH 10 built?

It was built in 1982, making it 43 years old in 2025.

What condition is Magnolia Ave over IH 10 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 2022.

How much traffic does Magnolia Ave over IH 10 carry?

About 3,500 vehicles per day (2011 count), of which roughly 15% are trucks.

How long is Magnolia Ave over IH 10?

The structure is 165 ft (50.3 m) long with a longest span of 83 ft (25.3 m) and a deck 61 ft wide.

Who owns Magnolia Ave over IH 10?

It is owned by the State Highway Agency.