US Bridges

IH 45 Sbml over Greens Bayou

Fair

Harris County, Texas · 1.15 MI N of Bwy 8 · Structure no. 121020011006287

Built
1995
30 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
205 ft
1 main span
Daily traffic
84,309
2023 count
Owner
State
State Highway Agency

About this bridge

IH 45 Sbml over Greens Bayou is a prestressed concrete stringer/multi-beam or girder carrying IH 45 Sbml over Greens Bayou in Harris County, Texas. It was built in 1995, so it is 30 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 84,309 vehicles a day, roughly 10% of them trucks, projected to reach 118,033 by 2042. The structure is 205 ft (62.5 m) long and 96 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesIH 45 Sbml
CrossesGreens Bayou
Location1.15 MI N of Bwy 8
RouteInterstate 45
CountyHarris County
StateTexas
Coordinates29.95687, -95.41859
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
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 spans1 (+2 approach)
Design loadHS 20
Structure length205 ft (62.5 m)
Longest span85 ft (25.9 m)
Deck width96 ft (29.4 m)
Roadway width94 ft (28.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic84,309 (2023)
Projected traffic118,033 by 2042
Trucks10%
Lanes on structure6
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was IH 45 Sbml over Greens Bayou built?

It was built in 1995, making it 30 years old in 2025.

What condition is IH 45 Sbml over Greens 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 September 2024.

How much traffic does IH 45 Sbml over Greens Bayou carry?

About 84,309 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is IH 45 Sbml over Greens Bayou?

The structure is 205 ft (62.5 m) long with a longest span of 85 ft (25.9 m) and a deck 96 ft wide.

Who owns IH 45 Sbml over Greens Bayou?

It is owned by the State Highway Agency.