US Bridges

Bw 8 EB Frtg Rd. over Mykawa Rd. & Atsf R/R

Fair

Harris County, Texas · 5.0 MI of IH 45 · Structure no. 121020325604495

Built
2016
9 years old
Condition
Fair
inspected September 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,476 ft
13 main spans
Daily traffic
13,500
2015 count
Owner
State
State Highway Agency

About this bridge

Bw 8 EB Frtg Rd. over Mykawa Rd. & Atsf R/R is a prestressed concrete stringer/multi-beam or girder carrying Bw 8 EB Frtg Rd. over Mykawa Rd. & Atsf R/R in Harris County, Texas. It was built in 2016, so it is 9 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 13,500 vehicles a day, roughly 1% of them trucks, projected to reach 16,300 by 2035. The structure is 1,476 ft (449.9 m) long and 37 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesBw 8 EB Frtg Rd.
CrossesMykawa Rd. & Atsf R/R
Location5.0 MI of IH 45
RouteState Highway 8
CountyHarris County
StateTexas
Coordinates29.60008, -95.29811
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2022
Inspection intervalevery 48 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 rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans13 (+1 approach)
Design loadHL 93
Structure length1,476 ft (449.9 m)
Longest span120 ft (36.6 m)
Deck width37 ft (11.4 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,500 (2015)
Projected traffic16,300 by 2035
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Bw 8 EB Frtg Rd. over Mykawa Rd. & Atsf R/R built?

It was built in 2016, making it 9 years old in 2025.

What condition is Bw 8 EB Frtg Rd. over Mykawa Rd. & Atsf R/R 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 September 2022.

How much traffic does Bw 8 EB Frtg Rd. over Mykawa Rd. & Atsf R/R carry?

About 13,500 vehicles per day (2015 count), of which roughly 1% are trucks.

How long is Bw 8 EB Frtg Rd. over Mykawa Rd. & Atsf R/R?

The structure is 1,476 ft (449.9 m) long with a longest span of 120 ft (36.6 m) and a deck 37 ft wide.

Who owns Bw 8 EB Frtg Rd. over Mykawa Rd. & Atsf R/R?

It is owned by the State Highway Agency.