US Bridges

CR 424 over Rough Creek

Fair

San Saba County, Texas · 4.20 MI NW of FM 501 · Structure no. 232060AA0190002

Built
1920
105 years old
Condition
Fair
inspected December 2024
Type
Culvert
Masonry
Length
24 ft
2 main spans
Daily traffic
38
2022 count
Owner
County
County Highway Agency

About this bridge

CR 424 over Rough Creek is a masonry culvert carrying CR 424 over Rough Creek in San Saba County, Texas. It was built in 1920, so it is 105 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 38 vehicles a day, roughly 13% of them trucks, projected to reach 150 by 2042. The structure is 24 ft (7.3 m) long and 23 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesCR 424
CrossesRough Creek
Location4.20 MI NW of FM 501
RouteCounty Highway 424
CountySan Saba County
StateTexas
Coordinates31.08844, -98.61525
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialMasonry
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span10 ft (3 m)
Deck width23 ft (6.9 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic38 (2022)
Projected traffic150 by 2042
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 424 over Rough Creek built?

It was built in 1920, making it 105 years old in 2025.

What condition is CR 424 over Rough 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 December 2024.

How much traffic does CR 424 over Rough Creek carry?

About 38 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is CR 424 over Rough Creek?

The structure is 24 ft (7.3 m) long with a longest span of 10 ft (3 m) and a deck 23 ft wide.

Who owns CR 424 over Rough Creek?

It is owned by the County Highway Agency.