US Bridges

IH 610 Nbfr over Brays Bayou

Fair

Harris County, Texas · 1.9 MI W of US 90A · Structure no. 121020027116156

Built
1964
61 years old
Condition
Fair
inspected December 2024
Type
Slab
Concrete Continuous
Length
162 ft
5 main spans
Daily traffic
24,781
2019 count
Owner
State
State Highway Agency

About this bridge

IH 610 Nbfr over Brays Bayou is a concrete continuous slab carrying IH 610 Nbfr over Brays Bayou in Harris County, Texas. It was built in 1964, so it is 61 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 24,781 vehicles a day, roughly 4% of them trucks, projected to reach 23,840 by 2028. The structure is 162 ft (49.4 m) long and 42 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesIH 610 Nbfr
CrossesBrays Bayou
Location1.9 MI W of US 90A
CountyHarris County
StateTexas
Coordinates29.68138, -95.45833
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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadH 20
Structure length162 ft (49.4 m)
Longest span35 ft (10.7 m)
Deck width42 ft (12.9 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deck14 ft (4.3 m)

Traffic and service

Average daily traffic24,781 (2019)
Projected traffic23,840 by 2028
Trucks4%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo
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$14,000
NavigationNo navigation control on waterway

Frequently asked questions

When was IH 610 Nbfr over Brays Bayou built?

It was built in 1964, making it 61 years old in 2025.

What condition is IH 610 Nbfr over Brays Bayou 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 December 2024.

How much traffic does IH 610 Nbfr over Brays Bayou carry?

About 24,781 vehicles per day (2019 count), of which roughly 4% are trucks.

How long is IH 610 Nbfr over Brays Bayou?

The structure is 162 ft (49.4 m) long with a longest span of 35 ft (10.7 m) and a deck 42 ft wide.

Who owns IH 610 Nbfr over Brays Bayou?

It is owned by the State Highway Agency.