US Bridges

CR 4020 over Bear Bayou

Good

Shelby County, Texas · 3.1 MI S of SH 87 · Structure no. 112100AA0134002

Built
2017
8 years old
Condition
Good
inspected June 2023
Type
Slab
Prestressed Concrete
Length
100 ft
2 main spans
Daily traffic
42
2021 count
Owner
County
County Highway Agency

About this bridge

CR 4020 over Bear Bayou is a prestressed concrete slab carrying CR 4020 over Bear Bayou in Shelby County, Texas. It was built in 2017, so it is 8 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 42 vehicles a day, roughly 3% of them trucks, projected to reach 42 by 2041. The structure is 100 ft (30.5 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCR 4020
CrossesBear Bayou
Location3.1 MI S of SH 87
RouteCounty Highway 4020
StateTexas
Coordinates31.82915, -94.36312
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 protection7 GoodSome minor problems.
Last inspectionJune 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 geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length100 ft (30.5 m)
Longest span50 ft (15.2 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic42 (2021)
Projected traffic42 by 2041
Trucks3%
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

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 CR 4020 over Bear Bayou built?

It was built in 2017, making it 8 years old in 2025.

What condition is CR 4020 over Bear Bayou 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 June 2023.

How much traffic does CR 4020 over Bear Bayou carry?

About 42 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is CR 4020 over Bear Bayou?

The structure is 100 ft (30.5 m) long with a longest span of 50 ft (15.2 m) and a deck 26 ft wide.

Who owns CR 4020 over Bear Bayou?

It is owned by the County Highway Agency.