US Bridges

CR # 421 over Trib to Snake Creek

FairPosted for load

Dallas County, Alabama · 0.3 MI S CR 422 · Structure no. 019207

Built
2003
22 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
45 ft
3 main spans
Daily traffic
25
2012 count
Owner
County
County Highway Agency

About this bridge

CR # 421 over Trib to Snake Creek is a wood or timber stringer/multi-beam or girder carrying CR # 421 over Trib to Snake Creek in Dallas County, Alabama. It was built in 2003, so it is 22 years old, younger than the Alabama average of 51.1 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. Its operating status is: posted for load restriction.

It carries about 25 vehicles a day, projected to reach 35 by 2043. The structure is 45 ft (13.8 m) long and 20 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesCR # 421
CrossesTrib to Snake Creek
Location0.3 MI S CR 422
RouteCounty Highway 421
CountyDallas County
StateAlabama
Coordinates32.07368, -87.00275
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating26.3 US tons
Inventory rating19.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadH 10
Structure length45 ft (13.8 m)
Longest span15 ft (4.6 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2012)
Projected traffic35 by 2043
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$310,000 (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR # 421 over Trib to Snake Creek built?

It was built in 2003, making it 22 years old in 2025.

What condition is CR # 421 over Trib to Snake 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 January 2024.

How much traffic does CR # 421 over Trib to Snake Creek carry?

About 25 vehicles per day (2012 count).

How long is CR # 421 over Trib to Snake Creek?

The structure is 45 ft (13.8 m) long with a longest span of 15 ft (4.6 m) and a deck 20 ft wide.

Who owns CR # 421 over Trib to Snake Creek?

It is owned by the County Highway Agency.