US Bridges

IH 610 EB over BNSF RR & Mykawa RD

Fair

Harris County, Texas · 0.4 MI W of SH 35 · Structure no. 121020027116235

Built
1966
59 years old
Condition
Fair
inspected November 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
354 ft
6 main spans
Daily traffic
89,547
2019 count
Owner
State
State Highway Agency

About this bridge

IH 610 EB over BNSF RR & Mykawa RD is a prestressed concrete stringer/multi-beam or girder carrying IH 610 EB over BNSF RR & Mykawa RD in Harris County, Texas. It was built in 1966, so it is 59 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 89,547 vehicles a day, roughly 4% of them trucks, projected to reach 92,510 by 2033. The structure is 354 ft (107.9 m) long and 80 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesIH 610 EB
CrossesBNSF RR & Mykawa RD
Location0.4 MI W of SH 35
RouteInterstate 610
CountyHarris County
StateTexas
Coordinates29.69169, -95.32584
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 inspectionNovember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating41 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length354 ft (107.9 m)
Longest span61 ft (18.6 m)
Deck width80 ft (24.5 m)
Roadway width78 ft (23.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic89,547 (2019)
Projected traffic92,510 by 2033
Trucks4%
Lanes on structure5
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed1.2 mi (2 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$408,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 610 EB over BNSF RR & Mykawa RD built?

It was built in 1966, making it 59 years old in 2025.

What condition is IH 610 EB over BNSF RR & Mykawa RD 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 EB over BNSF RR & Mykawa RD carry?

About 89,547 vehicles per day (2019 count), of which roughly 4% are trucks.

How long is IH 610 EB over BNSF RR & Mykawa RD?

The structure is 354 ft (107.9 m) long with a longest span of 61 ft (18.6 m) and a deck 80 ft wide.

Who owns IH 610 EB over BNSF RR & Mykawa RD?

It is owned by the State Highway Agency.