US Bridges

CO Rt 520 over Longbranch Creek

Good

Coffee County, Alabama · 4.64 MI SE New Brockton · Structure no. 019494

Built
2004
21 years old
Condition
Good
inspected February 2024
Type
Channel Beam
Concrete
Length
68 ft
2 main spans
Daily traffic
100
2024 count
Owner
County
County Highway Agency

About this bridge

CO Rt 520 over Longbranch Creek is a concrete channel beam carrying CO Rt 520 over Longbranch Creek in Coffee County, Alabama. It was built in 2004, so it is 21 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 100 vehicles a day, projected to reach 150 by 2044. The structure is 68 ft (20.7 m) long and 31 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesCO Rt 520
CrossesLongbranch Creek
Location4.64 MI SE New Brockton
RouteCounty Highway 520
StateAlabama
Coordinates31.34524, -85.89588
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating56.5 US tons
Inventory rating34 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length68 ft (20.7 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 traffic100 (2024)
Projected traffic150 by 2044
Trucks0%
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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$642,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CO Rt 520 over Longbranch Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is CO Rt 520 over Longbranch 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 February 2024.

How much traffic does CO Rt 520 over Longbranch Creek carry?

About 100 vehicles per day (2024 count).

How long is CO Rt 520 over Longbranch Creek?

The structure is 68 ft (20.7 m) long with a longest span of 34 ft (10.4 m) and a deck 31 ft wide.

Who owns CO Rt 520 over Longbranch Creek?

It is owned by the County Highway Agency.