US Bridges

IH 610 NB /IH10 WB over IH 10 & IH 610

Fair

Harris County, Texas · At IH 610/IH 10 Interchng · Structure no. 121020027115381

Built
1974
51 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,067 ft
3 main spans
Daily traffic
11,000
2019 count
Owner
State
State Highway Agency

About this bridge

IH 610 NB /IH10 WB over IH 10 & IH 610 is a steel continuous stringer/multi-beam or girder carrying IH 610 NB /IH10 WB over IH 10 & IH 610 in Harris County, Texas. It was built in 1974, so it is 51 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 11,000 vehicles a day, roughly 8% of them trucks, projected to reach 18,420 by 2033. The structure is 1,067 ft (325.2 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesIH 610 NB /IH10 WB
CrossesIH 10 & IH 610
LocationAt IH 610/IH 10 Interchng
RouteInterstate 610
CountyHarris County
StateTexas
Coordinates29.77587, -95.26443
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 inspectionSeptember 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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+12 approach)
Design loadHS 20
Structure length1,067 ft (325.2 m)
Longest span98 ft (29.9 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deck17 ft (5.2 m)

Traffic and service

Average daily traffic11,000 (2019)
Projected traffic18,420 by 2033
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesFourth level (interchange)
CrossesHighway
Detour if closed3.7 mi (6 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 statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$80,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 610 NB /IH10 WB over IH 10 & IH 610 built?

It was built in 1974, making it 51 years old in 2025.

What condition is IH 610 NB /IH10 WB over IH 10 & IH 610 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 2024.

How much traffic does IH 610 NB /IH10 WB over IH 10 & IH 610 carry?

About 11,000 vehicles per day (2019 count), of which roughly 8% are trucks.

How long is IH 610 NB /IH10 WB over IH 10 & IH 610?

The structure is 1,067 ft (325.2 m) long with a longest span of 98 ft (29.9 m) and a deck 32 ft wide.

Who owns IH 610 NB /IH10 WB over IH 10 & IH 610?

It is owned by the State Highway Agency.