US Bridges

IH 610 Nb/Us 59 NB over IH 610 Nbfr

Fair

Harris County, Texas · IH 610/US 59 Interchange · Structure no. 121020027117524

Built
2002
23 years old
Condition
Fair
inspected November 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
286 ft
1 main span
Daily traffic
24,200
2010 count
Owner
State
State Highway Agency

About this bridge

IH 610 Nb/Us 59 NB over IH 610 Nbfr is a prestressed concrete stringer/multi-beam or girder carrying IH 610 Nb/Us 59 NB over IH 610 Nbfr in Harris County, Texas. It was built in 2002, so it is 23 years old, younger 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 24,200 vehicles a day, roughly 3% of them trucks, projected to reach 38,720 by 2028. The structure is 286 ft (87.2 m) long and 39 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesIH 610 Nb/Us 59 NB
CrossesIH 610 Nbfr
LocationIH 610/US 59 Interchange
RouteInterstate 610
StateTexas
Coordinates29.72915, -95.45925
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.
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

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1 (+2 approach)
Design loadHS 20
Structure length286 ft (87.2 m)
Longest span126 ft (38.4 m)
Deck width39 ft (11.8 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,200 (2010)
Projected traffic38,720 by 2028
Trucks3%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 610 Nb/Us 59 NB over IH 610 Nbfr built?

It was built in 2002, making it 23 years old in 2025.

What condition is IH 610 Nb/Us 59 NB over IH 610 Nbfr 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 2022.

How much traffic does IH 610 Nb/Us 59 NB over IH 610 Nbfr carry?

About 24,200 vehicles per day (2010 count), of which roughly 3% are trucks.

How long is IH 610 Nb/Us 59 NB over IH 610 Nbfr?

The structure is 286 ft (87.2 m) long with a longest span of 126 ft (38.4 m) and a deck 39 ft wide.

Who owns IH 610 Nb/Us 59 NB over IH 610 Nbfr?

It is owned by the State Highway Agency.