US Bridges

Union Avenue over Historic Southern RR of

Fair

Warren County, Mississippi · 0.1 Miles South of Confed · Structure no. 5600010P0000000

Built
1972
53 years old
Condition
Fair
inspected March 2024
Type
Slab
Concrete Continuous
Length
97 ft
3 main spans
Daily traffic
3,420
2019 count
Owner
Federal
National Park Service

About this bridge

Union Avenue over Historic Southern RR of is a concrete continuous slab carrying Union Avenue over Historic Southern RR of in Warren County, Mississippi. It was built in 1972, so it is 53 years old, older than the Mississippi average of 38.9 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.

It carries about 3,420 vehicles a day, projected to reach 3,762 by 2039. The structure is 97 ft (29.6 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUnion Avenue
CrossesHistoric Southern RR of
Location0.1 Miles South of Confed
RouteFederal Lands Road 12
Coordinates32.34237, -90.85193
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56 US tons
Inventory rating33 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length97 ft (29.6 m)
Longest span40 ft (12.2 m)
Deck width30 ft (9.2 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,420 (2019)
Projected traffic3,762 by 2039
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerNational Park Service
Maintained byNational Park Service
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$200,000 (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Union Avenue over Historic Southern RR of built?

It was built in 1972, making it 53 years old in 2025.

What condition is Union Avenue over Historic Southern RR of 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 2024.

How much traffic does Union Avenue over Historic Southern RR of carry?

About 3,420 vehicles per day (2019 count).

How long is Union Avenue over Historic Southern RR of?

The structure is 97 ft (29.6 m) long with a longest span of 40 ft (12.2 m) and a deck 30 ft wide.

Who owns Union Avenue over Historic Southern RR of?

It is owned by the National Park Service.