US Bridges

Miller Ranch RD over Hickory Slough

Good

Brazoria County, Texas · 0.50 MI N of FM 518 · Structure no. 120200M00367001

Built
2012
13 years old
Condition
Good
inspected August 2023
Type
Slab
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
440
2009 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Miller Ranch RD over Hickory Slough is a prestressed concrete slab carrying Miller Ranch RD over Hickory Slough in Brazoria County, Texas. It was built in 2012, so it is 13 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 440 vehicles a day, projected to reach 600 by 2029. The structure is 40 ft (12.2 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesMiller Ranch RD
CrossesHickory Slough
Location0.50 MI N of FM 518
RouteCity Street 93
CountyBrazoria County
StateTexas
Coordinates29.56333, -95.37343
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
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 typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length40 ft (12.2 m)
Longest span40 ft (12.2 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic440 (2009)
Projected traffic600 by 2029
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$4,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Miller Ranch RD over Hickory Slough built?

It was built in 2012, making it 13 years old in 2025.

What condition is Miller Ranch RD over Hickory 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 August 2023.

How much traffic does Miller Ranch RD over Hickory Slough carry?

About 440 vehicles per day (2009 count).

How long is Miller Ranch RD over Hickory Slough?

The structure is 40 ft (12.2 m) long with a longest span of 40 ft (12.2 m) and a deck 26 ft wide.

Who owns Miller Ranch RD over Hickory Slough?

It is owned by the Town or Township Highway Agency.