US Bridges

IH 610 WB over Rp F/IH45 SB to IH610 EB

Fair

Harris County, Texas · At IH 45 / IH 610 N Loop · Structure no. 121020050003421

Built
1961
64 years old
Condition
Fair
inspected November 2024
Type
Slab
Concrete Continuous
Length
136 ft
3 main spans
Daily traffic
82,560
2015 count
Owner
State
State Highway Agency

About this bridge

IH 610 WB over Rp F/IH45 SB to IH610 EB is a concrete continuous slab carrying IH 610 WB over Rp F/IH45 SB to IH610 EB in Harris County, Texas. It was built in 1961, so it is 64 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 6 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 82,560 vehicles a day, roughly 9% of them trucks, projected to reach 115,580 by 2035. The structure is 136 ft (41.5 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesIH 610 WB
CrossesRp F/IH45 SB to IH610 EB
LocationAt IH 45 / IH 610 N Loop
RouteInterstate 610
CountyHarris County
StateTexas
Coordinates29.81479, -95.37652
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68 US tons
Inventory rating41 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length136 ft (41.5 m)
Longest span52 ft (15.9 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic82,560 (2015)
Projected traffic115,580 by 2035
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate 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 610 WB over Rp F/IH45 SB to IH610 EB built?

It was built in 1961, making it 64 years old in 2025.

What condition is IH 610 WB over Rp F/IH45 SB to IH610 EB 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 610 WB over Rp F/IH45 SB to IH610 EB carry?

About 82,560 vehicles per day (2015 count), of which roughly 9% are trucks.

How long is IH 610 WB over Rp F/IH45 SB to IH610 EB?

The structure is 136 ft (41.5 m) long with a longest span of 52 ft (15.9 m) and a deck 39 ft wide.

Who owns IH 610 WB over Rp F/IH45 SB to IH610 EB?

It is owned by the State Highway Agency.