US Bridges

Grand Mission NB over Long Point Slough

Good

Fort Bend County, Texas · 0.68 MI S of FM 1093 · Structure no. 120800AA0099001

Built
2008
17 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
150 ft
3 main spans
Daily traffic
1,000
2009 count
Owner
County
County Highway Agency

About this bridge

Grand Mission NB over Long Point Slough is a prestressed concrete stringer/multi-beam or girder carrying Grand Mission NB over Long Point Slough in Fort Bend County, Texas. It was built in 2008, so it is 17 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 1,000 vehicles a day, projected to reach 1,500 by 2028. The structure is 150 ft (45.7 m) long and 34 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesGrand Mission NB
CrossesLong Point Slough
Location0.68 MI S of FM 1093
RouteCounty Highway 0
CountyFort Bend County
StateTexas
Coordinates29.6945, -95.71752
Functional classRural Local

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadUnknown
Structure length150 ft (45.7 m)
Longest span50 ft (15.2 m)
Deck width34 ft (10.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2009)
Projected traffic1,500 by 2028
Trucks0%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$9,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Grand Mission NB over Long Point Slough built?

It was built in 2008, making it 17 years old in 2025.

What condition is Grand Mission NB over Long Point Slough 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 September 2023.

How much traffic does Grand Mission NB over Long Point Slough carry?

About 1,000 vehicles per day (2009 count).

How long is Grand Mission NB over Long Point Slough?

The structure is 150 ft (45.7 m) long with a longest span of 50 ft (15.2 m) and a deck 34 ft wide.

Who owns Grand Mission NB over Long Point Slough?

It is owned by the County Highway Agency.