US Bridges

Union Avenue over Stream

Fair

Warren County, Mississippi · 1.2 Miles from U.S. Route · Structure no. 5600002P0000000

Built
1904
121 years old
Condition
Fair
inspected March 2024
Type
Arch - Deck
Concrete
Length
24 ft
1 main span
Daily traffic
3,040
2019 count
Owner
Federal
National Park Service

About this bridge

Union Avenue over Stream is a concrete arch - deck carrying Union Avenue over Stream in Warren County, Mississippi. It was built in 1904, so it is 121 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 3,040 vehicles a day, projected to reach 3,344 by 2039. The structure is 24 ft (7.3 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesUnion Avenue
CrossesStream
Location1.2 Miles from U.S. Route
RouteFederal Lands Road 500
CountyWarren County
StateMississippi
Coordinates32.35512, -90.84217
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
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span24 ft (7.3 m)
Deck width25 ft (7.6 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,040 (2019)
Projected traffic3,344 by 2039
Trucks0%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$75,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Union Avenue over Stream built?

It was built in 1904, making it 121 years old in 2025.

What condition is Union Avenue over Stream 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 Stream carry?

About 3,040 vehicles per day (2019 count).

How long is Union Avenue over Stream?

The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m) and a deck 25 ft wide.

Who owns Union Avenue over Stream?

It is owned by the National Park Service.