US Bridges

FM 50 over Moorings Slough

Good

Brazos County, Texas · 0.45 MI N of FM 1687 · Structure no. 170210064802019

Built
1984
41 years old
Condition
Good
inspected February 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
930
2020 count
Owner
State
State Highway Agency

About this bridge

FM 50 over Moorings Slough is a concrete culvert carrying FM 50 over Moorings Slough in Brazos County, Texas. It was built in 1984, so it is 41 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 930 vehicles a day, roughly 13% of them trucks, projected to reach 1,770 by 2033. The structure is 21 ft (6.4 m) long and 45 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesFM 50
CrossesMoorings Slough
Location0.45 MI N of FM 1687
RouteState Highway 50
CountyBrazos County
StateTexas
Coordinates30.68714, -96.55398
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width45 ft (13.8 m)
Roadway width44 ft (13.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic930 (2020)
Projected traffic1,770 by 2033
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

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 FM 50 over Moorings Slough built?

It was built in 1984, making it 41 years old in 2025.

What condition is FM 50 over Moorings 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 February 2023.

How much traffic does FM 50 over Moorings Slough carry?

About 930 vehicles per day (2020 count), of which roughly 13% are trucks.

How long is FM 50 over Moorings Slough?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 45 ft wide.

Who owns FM 50 over Moorings Slough?

It is owned by the State Highway Agency.