US Bridges

Dupree-Worthey RD over Knox Creek

Good

Limestone County, Alabama · SEC23 T3S R3W · Structure no. 016946

Built
1997
28 years old
Condition
Good
inspected June 2023
Type
Channel Beam
Concrete
Length
102 ft
3 main spans
Daily traffic
650
2003 count
Owner
County
County Highway Agency

About this bridge

Dupree-Worthey RD over Knox Creek is a concrete channel beam carrying Dupree-Worthey RD over Knox Creek in Limestone County, Alabama. It was built in 1997, so it is 28 years old, younger than the Alabama average of 51.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 650 vehicles a day, roughly 5% of them trucks, projected to reach 800 by 2028. The structure is 102 ft (31.1 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesDupree-Worthey RD
CrossesKnox Creek
LocationSEC23 T3S R3W
RouteCounty Highway 127
StateAlabama
Coordinates34.76178, -86.79746
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating59.1 US tons
Inventory rating35.4 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length102 ft (31.1 m)
Longest span34 ft (10.4 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic650 (2003)
Projected traffic800 by 2028
Trucks5%
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$897,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Dupree-Worthey RD over Knox Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is Dupree-Worthey RD over Knox Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does Dupree-Worthey RD over Knox Creek carry?

About 650 vehicles per day (2003 count), of which roughly 5% are trucks.

How long is Dupree-Worthey RD over Knox Creek?

The structure is 102 ft (31.1 m) long with a longest span of 34 ft (10.4 m) and a deck 31 ft wide.

Who owns Dupree-Worthey RD over Knox Creek?

It is owned by the County Highway Agency.