US Bridges

IH 10 Eb/Ih 610 NB over IH 10 & IH610

Fair

Harris County, Texas · At IH 10/IH 610 Interchng · Structure no. 121020050801178

Built
1964
61 years old
Condition
Fair
inspected November 2024
Type
Girder and Floorbeam System
Steel Continuous
Length
678 ft
2 main spans
Daily traffic
14,820
2013 count
Owner
State
State Highway Agency

About this bridge

IH 10 Eb/Ih 610 NB over IH 10 & IH610 is a steel continuous girder and floorbeam system carrying IH 10 Eb/Ih 610 NB over IH 10 & IH610 in Harris County, Texas. It was built in 1964, so it is 61 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 5 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 14,820 vehicles a day, roughly 12% of them trucks, projected to reach 20,750 by 2033. The structure is 678 ft (206.7 m) long and 20 ft wide.

Location

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CarriesIH 10 Eb/Ih 610 NB
CrossesIH 10 & IH610
LocationAt IH 10/IH 610 Interchng
RouteInterstate 10
CountyHarris County
StateTexas
Coordinates29.77594, -95.26401
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+7 approach)
Design loadHS 20
Structure length678 ft (206.7 m)
Longest span101 ft (30.8 m)
Deck width20 ft (6.2 m)
Roadway width17 ft (5.3 m)
Vertical clearance over deck15 ft (4.6 m)

Traffic and service

Average daily traffic14,820 (2013)
Projected traffic20,750 by 2033
Trucks12%
Lanes on structure1
Traffic directionOne-way traffic
CarriesThird level (interchange)
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 10 Eb/Ih 610 NB over IH 10 & IH610 built?

It was built in 1964, making it 61 years old in 2025.

What condition is IH 10 Eb/Ih 610 NB over IH 10 & IH610 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 2024.

How much traffic does IH 10 Eb/Ih 610 NB over IH 10 & IH610 carry?

About 14,820 vehicles per day (2013 count), of which roughly 12% are trucks.

How long is IH 10 Eb/Ih 610 NB over IH 10 & IH610?

The structure is 678 ft (206.7 m) long with a longest span of 101 ft (30.8 m) and a deck 20 ft wide.

Who owns IH 10 Eb/Ih 610 NB over IH 10 & IH610?

It is owned by the State Highway Agency.