US Bridges

Naill RD over Mustang Bayou

Good

Fort Bend County, Texas · 0.30 MI N of Trammel-Fres · Structure no. 120800AA0543001

Built
2005
20 years old
Condition
Good
inspected September 2023
Type
Other
Prestressed Concrete
Length
90 ft
2 main spans
Daily traffic
280
2015 count
Owner
County
County Highway Agency

About this bridge

Naill RD over Mustang Bayou is a prestressed concrete other carrying Naill RD over Mustang Bayou in Fort Bend County, Texas. It was built in 2005, so it is 20 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 280 vehicles a day, projected to reach 300 by 2035. The structure is 90 ft (27.4 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesNaill RD
CrossesMustang Bayou
Location0.30 MI N of Trammel-Fres
RouteCounty Highway 0
CountyFort Bend County
StateTexas
Coordinates29.54108, -95.45876
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 typeOther
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length90 ft (27.4 m)
Longest span45 ft (13.7 m)
Deck width29 ft (8.9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic280 (2015)
Projected traffic300 by 2035
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Naill RD over Mustang Bayou built?

It was built in 2005, making it 20 years old in 2025.

What condition is Naill 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 Naill RD over Mustang Bayou carry?

About 280 vehicles per day (2015 count).

How long is Naill RD over Mustang Bayou?

The structure is 90 ft (27.4 m) long with a longest span of 45 ft (13.7 m) and a deck 29 ft wide.

Who owns Naill RD over Mustang Bayou?

It is owned by the County Highway Agency.