US Bridges

CR 424 over Sister Grove Creek

Fair

Collin County, Texas · 1.30 MI W of SH 121 · Structure no. 180430AA0318001

Built
1998
27 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
131 ft
3 main spans
Daily traffic
236
2022 count
Owner
County
County Highway Agency

About this bridge

CR 424 over Sister Grove Creek is a concrete stringer/multi-beam or girder carrying CR 424 over Sister Grove Creek in Collin County, Texas. It was built in 1998, so it is 27 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 236 vehicles a day, projected to reach 69 by 2031. The structure is 131 ft (39.9 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCR 424
CrossesSister Grove Creek
Location1.30 MI W of SH 121
RouteCounty Highway 424
CountyCollin County
StateTexas
Coordinates33.34784, -96.48285
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length131 ft (39.9 m)
Longest span43 ft (13.1 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic236 (2022)
Projected traffic69 by 2031
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 424 over Sister Grove Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is CR 424 over Sister Grove 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 March 2023.

How much traffic does CR 424 over Sister Grove Creek carry?

About 236 vehicles per day (2022 count).

How long is CR 424 over Sister Grove Creek?

The structure is 131 ft (39.9 m) long with a longest span of 43 ft (13.1 m) and a deck 26 ft wide.

Who owns CR 424 over Sister Grove Creek?

It is owned by the County Highway Agency.