US Bridges

Spur 261 Nbdc over IH 45 Spur 261 NB

Good

Harris County, Texas · 1.27 Miles S. of SH 249 · Structure no. 121020050003442

Built
2015
10 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
2,132 ft
5 main spans
Daily traffic
18,303
2023 count
Owner
State
State Highway Agency

About this bridge

Spur 261 Nbdc over IH 45 Spur 261 NB is a steel continuous stringer/multi-beam or girder carrying Spur 261 Nbdc over IH 45 Spur 261 NB in Harris County, Texas. It was built in 2015, so it is 10 years old, younger than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 18,303 vehicles a day, projected to reach 21,076 by 2041. The structure is 2,132 ft (649.8 m) long and 29 ft wide.

CarriesSpur 261 Nbdc
CrossesIH 45 Spur 261 NB
Location1.27 Miles S. of SH 249
RouteState Highway 261
StateTexas
Coordinates29.87399, -95.41221
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5 (+8 approach)
Design loadHL 93
Structure length2,132 ft (649.8 m)
Longest span240 ft (73.2 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,303 (2023)
Projected traffic21,076 by 2041
Trucks0%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

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 Spur 261 Nbdc over IH 45 Spur 261 NB built?

It was built in 2015, making it 10 years old in 2025.

What condition is Spur 261 Nbdc over IH 45 Spur 261 NB in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2024.

How much traffic does Spur 261 Nbdc over IH 45 Spur 261 NB carry?

About 18,303 vehicles per day (2023 count).

How long is Spur 261 Nbdc over IH 45 Spur 261 NB?

The structure is 2,132 ft (649.8 m) long with a longest span of 240 ft (73.2 m) and a deck 29 ft wide.

Who owns Spur 261 Nbdc over IH 45 Spur 261 NB?

It is owned by the State Highway Agency.