US Bridges

IH 610 Eb/Us 59 SB over US 59 SB Exit Ramp C

Fair

Harris County, Texas · 0.20 MI W of US59 · Structure no. 121020027114256

Built
1999
26 years old
Condition
Fair
inspected October 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
2,008 ft
18 main spans
Daily traffic
17,000
2021 count
Owner
State
State Highway Agency

About this bridge

IH 610 Eb/Us 59 SB over US 59 SB Exit Ramp C is a prestressed concrete stringer/multi-beam or girder carrying IH 610 Eb/Us 59 SB over US 59 SB Exit Ramp C in Harris County, Texas. It was built in 1999, so it is 26 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 17,000 vehicles a day, projected to reach 23,800 by 2041. The structure is 2,008 ft (612 m) long and 39 ft wide.

CarriesIH 610 Eb/Us 59 SB
CrossesUS 59 SB Exit Ramp C
Location0.20 MI W of US59
RouteInterstate 610
StateTexas
Coordinates29.80851, -95.33961
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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans18 (+2 approach)
Design loadHS 20
Structure length2,008 ft (612 m)
Longest span123 ft (37.5 m)
Deck width39 ft (11.8 m)
Roadway width36 ft (11 m)
Vertical clearance over deck17 ft (5.3 m)

Traffic and service

Average daily traffic17,000 (2021)
Projected traffic23,800 by 2041
Trucks0%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an 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 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 Eb/Us 59 SB over US 59 SB Exit Ramp C built?

It was built in 1999, making it 26 years old in 2025.

What condition is IH 610 Eb/Us 59 SB over US 59 SB Exit Ramp C 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 October 2022.

How much traffic does IH 610 Eb/Us 59 SB over US 59 SB Exit Ramp C carry?

About 17,000 vehicles per day (2021 count).

How long is IH 610 Eb/Us 59 SB over US 59 SB Exit Ramp C?

The structure is 2,008 ft (612 m) long with a longest span of 123 ft (37.5 m) and a deck 39 ft wide.

Who owns IH 610 Eb/Us 59 SB over US 59 SB Exit Ramp C?

It is owned by the State Highway Agency.