US Bridges

SP 5 SB over IH45SB Off-Rps & Streets

Fair

Harris County, Texas · Nettleton to Cullen · Structure no. 121020017809287

Built
1988
37 years old
Condition
Fair
inspected October 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
4,774 ft
44 main spans
Daily traffic
13,656
2021 count
Owner
State
State Highway Agency

About this bridge

SP 5 SB over IH45SB Off-Rps & Streets is a prestressed concrete stringer/multi-beam or girder carrying SP 5 SB over IH45SB Off-Rps & Streets in Harris County, Texas. It was built in 1988, so it is 37 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 13,656 vehicles a day, roughly 10% of them trucks, projected to reach 19,118 by 2041. The structure is 4,774 ft (1,455.1 m) long and 52 ft wide.

Location

Open in Google Maps
CarriesSP 5 SB
CrossesIH45SB Off-Rps & Streets
LocationNettleton to Cullen
RouteState Highway 5
CountyHarris County
StateTexas
Coordinates29.73786, -95.3515
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be 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 spans44
Design loadHS 20
Structure length4,774 ft (1,455.1 m)
Longest span114 ft (34.7 m)
Deck width52 ft (15.9 m)
Roadway width49 ft (15 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,656 (2021)
Projected traffic19,118 by 2041
Trucks10%
Lanes on structure3
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 SP 5 SB over IH45SB Off-Rps & Streets built?

It was built in 1988, making it 37 years old in 2025.

What condition is SP 5 SB over IH45SB Off-Rps & Streets 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 October 2022.

How much traffic does SP 5 SB over IH45SB Off-Rps & Streets carry?

About 13,656 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is SP 5 SB over IH45SB Off-Rps & Streets?

The structure is 4,774 ft (1,455.1 m) long with a longest span of 114 ft (34.7 m) and a deck 52 ft wide.

Who owns SP 5 SB over IH45SB Off-Rps & Streets?

It is owned by the State Highway Agency.