US Bridges

SP 5 NB over Elgin ST

Good

Harris County, Texas · 0.2 MI S of IH 45 · Structure no. 121020017809064

Built
1999
26 years old
Condition
Good
inspected October 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
595 ft
5 main spans
Daily traffic
40,000
2014 count
Owner
State
State Highway Agency

About this bridge

SP 5 NB over Elgin ST is a prestressed concrete stringer/multi-beam or girder carrying SP 5 NB over Elgin ST in Harris County, Texas. It was built in 1999, so it is 26 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 40,000 vehicles a day, roughly 7% of them trucks, projected to reach 31,000 by 2034. The structure is 595 ft (181.4 m) long and 74 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSP 5 NB
CrossesElgin ST
Location0.2 MI S of IH 45
RouteState Highway 35
CountyHarris County
StateTexas
Coordinates29.72674, -95.33743
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionOctober 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum 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, precast panels
Main spans5
Design loadHS 20
Structure length595 ft (181.4 m)
Longest span125 ft (38.1 m)
Deck width74 ft (22.6 m)
Roadway width70 ft (21.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40,000 (2014)
Projected traffic31,000 by 2034
Trucks7%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SP 5 NB over Elgin ST built?

It was built in 1999, making it 26 years old in 2025.

What condition is SP 5 NB over Elgin ST 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 October 2022.

How much traffic does SP 5 NB over Elgin ST carry?

About 40,000 vehicles per day (2014 count), of which roughly 7% are trucks.

How long is SP 5 NB over Elgin ST?

The structure is 595 ft (181.4 m) long with a longest span of 125 ft (38.1 m) and a deck 74 ft wide.

Who owns SP 5 NB over Elgin ST?

It is owned by the State Highway Agency.