US Bridges

CR 105 (roy Rd) over Hickory Slough

Good

Brazoria County, Texas · 0.80 MI N of FM 518 · Structure no. 120200M00385001

Built
2012
13 years old
Condition
Good
inspected October 2024
Type
Slab
Prestressed Concrete
Length
62 ft
2 main spans
Daily traffic
223
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

CR 105 (roy Rd) over Hickory Slough is a prestressed concrete slab carrying CR 105 (roy 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 223 vehicles a day, roughly 3% of them trucks, projected to reach 1,000 by 2031. The structure is 62 ft (19 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCR 105 (roy Rd)
CrossesHickory Slough
Location0.80 MI N of FM 518
RouteCity Street 0
StateTexas
Coordinates29.57098, -95.32724
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being 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 spans2
Design loadHL 93
Structure length62 ft (19 m)
Longest span30 ft (9.1 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic223 (2022)
Projected traffic1,000 by 2031
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

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$6,000
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 105 (roy Rd) over Hickory Slough built?

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

What condition is CR 105 (roy 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 October 2024.

How much traffic does CR 105 (roy Rd) over Hickory Slough carry?

About 223 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is CR 105 (roy Rd) over Hickory Slough?

The structure is 62 ft (19 m) long with a longest span of 30 ft (9.1 m) and a deck 26 ft wide.

Who owns CR 105 (roy Rd) over Hickory Slough?

It is owned by the Town or Township Highway Agency.