US Bridges

CR 320 over Coon Hollow

Fair

Fisher County, Texas · 1.7 MI E of FM 611 · Structure no. 080770AA0179001

Built
1944
81 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
25 ft
1 main span
Daily traffic
52
2020 count
Owner
County
County Highway Agency

About this bridge

CR 320 over Coon Hollow is a steel stringer/multi-beam or girder carrying CR 320 over Coon Hollow in Fisher County, Texas. It was built in 1944, so it is 81 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 52 vehicles a day, roughly 4% of them trucks, projected to reach 73 by 2040. The structure is 25 ft (7.6 m) long and 19 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCR 320
CrossesCoon Hollow
Location1.7 MI E of FM 611
RouteCounty Highway 320
StateTexas
Coordinates32.78711, -100.56334
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span25 ft (7.6 m)
Deck width19 ft (5.7 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic52 (2020)
Projected traffic73 by 2040
Trucks4%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$1,000
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 320 over Coon Hollow built?

It was built in 1944, making it 81 years old in 2025.

What condition is CR 320 over Coon Hollow 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 May 2024.

How much traffic does CR 320 over Coon Hollow carry?

About 52 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is CR 320 over Coon Hollow?

The structure is 25 ft (7.6 m) long with a longest span of 25 ft (7.6 m) and a deck 19 ft wide.

Who owns CR 320 over Coon Hollow?

It is owned by the County Highway Agency.