US Bridges

Henry RD (cr 383) over Willow Dam Slough

Good

Matagorda County, Texas · 0.90 MI S of FM 521 · Structure no. 131580AA0199003

Built
2023
2 years old
Condition
Good
inspected February 2024
Type
Other
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
52
2022 count
Owner
County
County Highway Agency

About this bridge

Henry RD (cr 383) over Willow Dam Slough is a prestressed concrete other carrying Henry RD (cr 383) over Willow Dam Slough in Matagorda County, Texas. It was built in 2023, so it is 2 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 52 vehicles a day, roughly 3% of them trucks, projected to reach 52 by 2042. The structure is 50 ft (15.2 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesHenry RD (cr 383)
CrossesWillow Dam Slough
Location0.90 MI S of FM 521
RouteCounty Highway 383
CountyMatagorda County
StateTexas
Coordinates28.7728, -96.10569
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 protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating60 US tons
Inventory rating36 US tons

Structure

Structure typeOther
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length50 ft (15.2 m)
Longest span50 ft (15.2 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic52 (2022)
Projected traffic52 by 2042
Trucks3%
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 Henry RD (cr 383) over Willow Dam Slough built?

It was built in 2023, making it 2 years old in 2025.

What condition is Henry RD (cr 383) over Willow Dam 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 2024.

How much traffic does Henry RD (cr 383) over Willow Dam Slough carry?

About 52 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Henry RD (cr 383) over Willow Dam Slough?

The structure is 50 ft (15.2 m) long with a longest span of 50 ft (15.2 m) and a deck 30 ft wide.

Who owns Henry RD (cr 383) over Willow Dam Slough?

It is owned by the County Highway Agency.