US Bridges

CR 678 over Chacon Creek

Fair

Medina County, Texas · 0.3 MI W of FM 471 · Structure no. 151630AA0190001

Built
2008
17 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
51 ft
1 main span
Daily traffic
81
2020 count
Owner
County
County Highway Agency

About this bridge

CR 678 over Chacon Creek is a steel stringer/multi-beam or girder carrying CR 678 over Chacon Creek in Medina County, Texas. It was built in 2008, so it is 17 years old, younger 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 81 vehicles a day, projected to reach 120 by 2035. The structure is 51 ft (15.4 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCR 678
CrossesChacon Creek
Location0.3 MI W of FM 471
RouteCounty Highway 678
StateTexas
Coordinates29.22838, -98.87369
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.
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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating67 US tons
Inventory rating40 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length51 ft (15.4 m)
Longest span48 ft (14.6 m)
Deck width25 ft (7.7 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic81 (2020)
Projected traffic120 by 2035
Trucks0%
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 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 678 over Chacon Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is CR 678 over Chacon 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 June 2023.

How much traffic does CR 678 over Chacon Creek carry?

About 81 vehicles per day (2020 count).

How long is CR 678 over Chacon Creek?

The structure is 51 ft (15.4 m) long with a longest span of 48 ft (14.6 m) and a deck 25 ft wide.

Who owns CR 678 over Chacon Creek?

It is owned by the County Highway Agency.