US Bridges

CR 108 - Pct 4 over Cottonwood Creek

Fair

Johnson County, Texas · 1.2 MI SE of FM 1807 · Structure no. 021270AA0606001

Built
1940
85 years old
Condition
Fair
inspected November 2024
Type
Slab
Concrete Continuous
Length
79 ft
7 main spans
Daily traffic
149
2021 count
Owner
County
County Highway Agency

About this bridge

CR 108 - Pct 4 over Cottonwood Creek is a concrete continuous slab carrying CR 108 - Pct 4 over Cottonwood Creek in Johnson County, Texas. It was built in 1940, so it is 85 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 149 vehicles a day, roughly 3% of them trucks, projected to reach 149 by 2041. The structure is 79 ft (24.1 m) long and 21 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCR 108 - Pct 4
CrossesCottonwood Creek
Location1.2 MI SE of FM 1807
RouteCounty Highway 108
CountyJohnson County
StateTexas
Coordinates32.37748, -97.11749
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadUnknown
Structure length79 ft (24.1 m)
Longest span11 ft (3.4 m)
Deck width21 ft (6.4 m)
Roadway width18 ft (5.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic149 (2021)
Projected traffic149 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 108 - Pct 4 over Cottonwood Creek built?

It was built in 1940, making it 85 years old in 2025.

What condition is CR 108 - Pct 4 over Cottonwood Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2024.

How much traffic does CR 108 - Pct 4 over Cottonwood Creek carry?

About 149 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is CR 108 - Pct 4 over Cottonwood Creek?

The structure is 79 ft (24.1 m) long with a longest span of 11 ft (3.4 m) and a deck 21 ft wide.

Who owns CR 108 - Pct 4 over Cottonwood Creek?

It is owned by the County Highway Agency.