US Bridges

IH 610 Nbfr over Buffalo Bayou

Fair

Harris County, Texas · 1.50 MI S of IH 10 · Structure no. 121020027117573

Built
2006
19 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
480 ft
4 main spans
Daily traffic
40,030
2013 count
Owner
State
State Highway Agency

About this bridge

IH 610 Nbfr over Buffalo Bayou is a prestressed concrete stringer/multi-beam or girder carrying IH 610 Nbfr over Buffalo Bayou in Harris County, Texas. It was built in 2006, so it is 19 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 40,030 vehicles a day, roughly 5% of them trucks, projected to reach 56,040 by 2033. The structure is 480 ft (146.3 m) long and 67 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesIH 610 Nbfr
CrossesBuffalo Bayou
Location1.50 MI S of IH 10
RouteInterstate 610
CountyHarris County
StateTexas
Coordinates29.76036, -95.45526
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
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 spans4
Design loadHS 25 or greater
Structure length480 ft (146.3 m)
Longest span120 ft (36.6 m)
Deck width67 ft (20.5 m)
Roadway width46 ft (14 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40,030 (2013)
Projected traffic56,040 by 2033
Trucks5%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$55,000
NavigationNo navigation control on waterway

Frequently asked questions

When was IH 610 Nbfr over Buffalo Bayou built?

It was built in 2006, making it 19 years old in 2025.

What condition is IH 610 Nbfr over Buffalo 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 August 2024.

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

About 40,030 vehicles per day (2013 count), of which roughly 5% are trucks.

How long is IH 610 Nbfr over Buffalo Bayou?

The structure is 480 ft (146.3 m) long with a longest span of 120 ft (36.6 m) and a deck 67 ft wide.

Who owns IH 610 Nbfr over Buffalo Bayou?

It is owned by the State Highway Agency.