US Bridges

IH 610 Nb/Sh 225WB over IH 610 & SH 225

Fair

Harris County, Texas · IH 610 @ SH 225 (intrchg) · Structure no. 121020027115346

Built
1974
51 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
2,139 ft
8 main spans
Daily traffic
12,520
2011 count
Owner
State
State Highway Agency

About this bridge

IH 610 Nb/Sh 225WB over IH 610 & SH 225 is a steel continuous stringer/multi-beam or girder carrying IH 610 Nb/Sh 225WB over IH 610 & SH 225 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 12,520 vehicles a day, roughly 8% of them trucks, projected to reach 17,530 by 2031. The structure is 2,139 ft (652 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesIH 610 Nb/Sh 225WB
CrossesIH 610 & SH 225
LocationIH 610 @ SH 225 (intrchg)
RouteInterstate 610
CountyHarris County
StateTexas
Coordinates29.70963, -95.26795
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans8 (+19 approach)
Design loadHS 20
Structure length2,139 ft (652 m)
Longest span122 ft (37.2 m)
Deck width26 ft (7.9 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,520 (2011)
Projected traffic17,530 by 2031
Trucks8%
Lanes on structure1
Traffic directionOne-way traffic
CarriesThird 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$1.3 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 610 Nb/Sh 225WB over IH 610 & SH 225 built?

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

What condition is IH 610 Nb/Sh 225WB over IH 610 & SH 225 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 August 2024.

How much traffic does IH 610 Nb/Sh 225WB over IH 610 & SH 225 carry?

About 12,520 vehicles per day (2011 count), of which roughly 8% are trucks.

How long is IH 610 Nb/Sh 225WB over IH 610 & SH 225?

The structure is 2,139 ft (652 m) long with a longest span of 122 ft (37.2 m) and a deck 26 ft wide.

Who owns IH 610 Nb/Sh 225WB over IH 610 & SH 225?

It is owned by the State Highway Agency.