US Bridges

SH 249 Ml over Greens Bayou

Fair

Harris County, Texas · 1.40 MI NW of Bwy 8 · Structure no. 121020072003044

Built
1983
42 years old, rebuilt 1995
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
240 ft
4 main spans
Daily traffic
126,858
2023 count
Owner
State
State Highway Agency

About this bridge

SH 249 Ml over Greens Bayou is a prestressed concrete box beam or girders - multiple carrying SH 249 Ml over Greens Bayou in Harris County, Texas. It was built in 1983 and reconstructed in 1995, so it is 42 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 126,858 vehicles a day, roughly 5% of them trucks, projected to reach 177,601 by 2042. The structure is 240 ft (73.2 m) long and 143 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSH 249 Ml
CrossesGreens Bayou
Location1.40 MI NW of Bwy 8
RouteState Highway 249
StateTexas
Coordinates29.95071, -95.53417
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length240 ft (73.2 m)
Longest span60 ft (18.3 m)
Deck width143 ft (43.6 m)
Roadway width140 ft (42.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic126,858 (2023)
Projected traffic177,601 by 2042
Trucks5%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 249 Ml over Greens Bayou built?

It was built in 1983, making it 42 years old in 2025. It was reconstructed in 1995.

What condition is SH 249 Ml 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 SH 249 Ml over Greens Bayou carry?

About 126,858 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is SH 249 Ml over Greens Bayou?

The structure is 240 ft (73.2 m) long with a longest span of 60 ft (18.3 m) and a deck 143 ft wide.

Who owns SH 249 Ml over Greens Bayou?

It is owned by the State Highway Agency.