US Bridges

SR 15 over Burlington Northern RR

Good

Union County, Mississippi · 0.1 MI N SR 178 · Structure no. 310001507329510

Built
2012
13 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
190 ft
3 main spans
Daily traffic
14,000
2023 count
Owner
State
State Highway Agency

About this bridge

SR 15 over Burlington Northern RR is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 15 over Burlington Northern RR in Union County, Mississippi. It was built in 2012, so it is 13 years old, younger than the Mississippi average of 38.9 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 14,000 vehicles a day, roughly 13% of them trucks, projected to reach 15,000 by 2043. The structure is 190 ft (58 m) long and 77 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesSR 15
CrossesBurlington Northern RR
Location0.1 MI N SR 178
RouteState Highway 15
Coordinates34.48339, -88.99889
Functional classUrban Other Principal Arterial

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.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.9 US tons
Inventory rating35.6 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length190 ft (58 m)
Longest span88 ft (26.8 m)
Deck width77 ft (23.5 m)
Roadway width74 ft (22.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,000 (2023)
Projected traffic15,000 by 2043
Trucks13%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed19.9 mi (32 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 15 over Burlington Northern RR built?

It was built in 2012, making it 13 years old in 2025.

What condition is SR 15 over Burlington Northern RR 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 November 2023.

How much traffic does SR 15 over Burlington Northern RR carry?

About 14,000 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is SR 15 over Burlington Northern RR?

The structure is 190 ft (58 m) long with a longest span of 88 ft (26.8 m) and a deck 77 ft wide.

Who owns SR 15 over Burlington Northern RR?

It is owned by the State Highway Agency.