US Bridges

CO Rt 593 over Big Nance Creek

PoorPosted for load

Lawrence County, Alabama · 2 Mi. S. of Terrytown · Structure no. 013642

Built
1985
40 years old
Condition
Poor
inspected January 2025
Type
Truss - Thru
Steel
Length
108 ft
1 main span
Daily traffic
75
2008 count
Owner
County
County Highway Agency

About this bridge

CO Rt 593 over Big Nance Creek is a steel truss - thru carrying CO Rt 593 over Big Nance Creek in Lawrence County, Alabama. It was built in 1985, so it is 40 years old, younger than the Alabama average of 51.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 75 vehicles a day, projected to reach 150 by 2036. The structure is 108 ft (32.9 m) long and 14 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesCO Rt 593
CrossesBig Nance Creek
Location2 Mi. S. of Terrytown
RouteCounty Highway 593
StateAlabama
Coordinates34.599, -87.33561
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating3 US tons
Inventory rating2 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1 (+1 approach)
Design loadUnknown
Structure length108 ft (32.9 m)
Longest span75 ft (22.9 m)
Deck width14 ft (4.3 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2008)
Projected traffic150 by 2036
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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$440,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CO Rt 593 over Big Nance Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is CO Rt 593 over Big Nance Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2025.

How much traffic does CO Rt 593 over Big Nance Creek carry?

About 75 vehicles per day (2008 count).

How long is CO Rt 593 over Big Nance Creek?

The structure is 108 ft (32.9 m) long with a longest span of 75 ft (22.9 m) and a deck 14 ft wide.

Who owns CO Rt 593 over Big Nance Creek?

It is owned by the County Highway Agency.