US Bridges

S Mason RD NB over Oyster Creek

Good

Fort Bend County, Texas · 1.35 MI S of SH 99 · Structure no. 120800AA1116011

Built
2014
11 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
336 ft
4 main spans
Daily traffic
3,000
2020 count
Owner
County
County Highway Agency

About this bridge

S Mason RD NB over Oyster Creek is a prestressed concrete stringer/multi-beam or girder carrying S Mason RD NB over Oyster Creek in Fort Bend County, Texas. It was built in 2014, so it is 11 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 3,000 vehicles a day, roughly 1% of them trucks, projected to reach 5,000 by 2040. The structure is 336 ft (102.4 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesS Mason RD NB
CrossesOyster Creek
Location1.35 MI S of SH 99
RouteCounty Highway 0
CountyFort Bend County
StateTexas
Coordinates29.64329, -95.74419
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans4
Design loadHL 93
Structure length336 ft (102.4 m)
Longest span84 ft (25.6 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,000 (2020)
Projected traffic5,000 by 2040
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 S Mason RD NB over Oyster Creek built?

It was built in 2014, making it 11 years old in 2025.

What condition is S Mason RD NB over Oyster Creek 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 December 2023.

How much traffic does S Mason RD NB over Oyster Creek carry?

About 3,000 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is S Mason RD NB over Oyster Creek?

The structure is 336 ft (102.4 m) long with a longest span of 84 ft (25.6 m) and a deck 27 ft wide.

Who owns S Mason RD NB over Oyster Creek?

It is owned by the County Highway Agency.