US Bridges

CR 108 (max Rd) NB over Hickory Slough

Good

Brazoria County, Texas · 0.55 MI N of FM 518 · Structure no. 120200M00395001

Built
2018
7 years old
Condition
Good
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
840
2011 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

CR 108 (max Rd) NB over Hickory Slough is a prestressed concrete box beam or girders - multiple carrying CR 108 (max Rd) NB over Hickory Slough in Brazoria County, Texas. It was built in 2018, so it is 7 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 840 vehicles a day, roughly 10% of them trucks, projected to reach 1,600 by 2031. The structure is 60 ft (18.3 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesCR 108 (max Rd) NB
CrossesHickory Slough
Location0.55 MI N of FM 518
RouteCity Street 0
CountyBrazoria County
StateTexas
Coordinates29.56714, -95.33342
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length60 ft (18.3 m)
Longest span60 ft (18.3 m)
Deck width27 ft (8.2 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic840 (2011)
Projected traffic1,600 by 2031
Trucks10%
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

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 CR 108 (max Rd) NB over Hickory Slough built?

It was built in 2018, making it 7 years old in 2025.

What condition is CR 108 (max Rd) NB 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 CR 108 (max Rd) NB over Hickory Slough carry?

About 840 vehicles per day (2011 count), of which roughly 10% are trucks.

How long is CR 108 (max Rd) NB over Hickory Slough?

The structure is 60 ft (18.3 m) long with a longest span of 60 ft (18.3 m) and a deck 27 ft wide.

Who owns CR 108 (max Rd) NB over Hickory Slough?

It is owned by the Town or Township Highway Agency.