US Bridges

CR 79 over Irrigation Canal

Fair

Colorado County, Texas · 0.2 MI W of FM 3013 · Structure no. 130450AA0200001

Built
1950
75 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete Continuous
Length
27 ft
2 main spans
Daily traffic
20
2018 count
Owner
County
County Highway Agency

About this bridge

CR 79 over Irrigation Canal is a concrete continuous slab carrying CR 79 over Irrigation Canal in Colorado County, Texas. It was built in 1950, so it is 75 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 6 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 20 vehicles a day, projected to reach 100 by 2038. The structure is 27 ft (8.2 m) long and 13 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCR 79
CrossesIrrigation Canal
Location0.2 MI W of FM 3013
RouteCounty Highway 79
CountyColorado County
StateTexas
Coordinates29.52538, -96.32696
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 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 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 spans2
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span14 ft (4.3 m)
Deck width13 ft (3.9 m)
Roadway width12 ft (3.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2018)
Projected traffic100 by 2038
Trucks0%
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 79 over Irrigation Canal built?

It was built in 1950, making it 75 years old in 2025.

What condition is CR 79 over Irrigation Canal 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 April 2024.

How much traffic does CR 79 over Irrigation Canal carry?

About 20 vehicles per day (2018 count).

How long is CR 79 over Irrigation Canal?

The structure is 27 ft (8.2 m) long with a longest span of 14 ft (4.3 m) and a deck 13 ft wide.

Who owns CR 79 over Irrigation Canal?

It is owned by the County Highway Agency.