US Bridges

Evergreen RD over Mustang Bayou

Good

Fort Bend County, Texas · 1.00 MI W of FM 521 · Structure no. 120800AA0542002

Built
2002
23 years old
Condition
Good
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
70 ft
2 main spans
Daily traffic
340
2015 count
Owner
County
County Highway Agency

About this bridge

Evergreen RD over Mustang Bayou is a prestressed concrete box beam or girders - multiple carrying Evergreen RD over Mustang Bayou in Fort Bend County, Texas. It was built in 2002, so it is 23 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 340 vehicles a day, projected to reach 400 by 2035. The structure is 70 ft (21.3 m) long and 29 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesEvergreen RD
CrossesMustang Bayou
Location1.00 MI W of FM 521
RouteCounty Highway 0
CountyFort Bend County
StateTexas
Coordinates29.54664, -95.46316
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.
Superstructure7 GoodSome minor problems.
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 geometry6: Equal to present minimum criteria
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 typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length70 ft (21.3 m)
Longest span35 ft (10.7 m)
Deck width29 ft (8.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic340 (2015)
Projected traffic400 by 2035
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Evergreen RD over Mustang Bayou built?

It was built in 2002, making it 23 years old in 2025.

What condition is Evergreen RD over Mustang Bayou 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 Evergreen RD over Mustang Bayou carry?

About 340 vehicles per day (2015 count).

How long is Evergreen RD over Mustang Bayou?

The structure is 70 ft (21.3 m) long with a longest span of 35 ft (10.7 m) and a deck 29 ft wide.

Who owns Evergreen RD over Mustang Bayou?

It is owned by the County Highway Agency.