US Bridges

County Road 278 over Burlington & Northern RR

Good

Union County, Mississippi · Sec 4 T 8S R 4E B · Structure no. SA7300000000142

Built
1991
34 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
280 ft
1 main span
Daily traffic
200
2014 count
Owner
County
County Highway Agency

About this bridge

County Road 278 over Burlington & Northern RR is a prestressed concrete stringer/multi-beam or girder carrying County Road 278 over Burlington & Northern RR in Union County, Mississippi. It was built in 1991, so it is 34 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 200 vehicles a day, roughly 10% of them trucks, projected to reach 300 by 2034. The structure is 280 ft (85.3 m) long and 31 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesCounty Road 278
CrossesBurlington & Northern RR
LocationSec 4 T 8S R 4E B
RouteCounty Highway 426
CountyUnion County
StateMississippi
Coordinates34.41425, -88.8786
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.
Last inspectionJune 2024
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 alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating61.3 US tons
Inventory rating35.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1 (+4 approach)
Design loadHS 20
Structure length280 ft (85.3 m)
Longest span80 ft (24.4 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2014)
Projected traffic300 by 2034
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
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$555,000 (2020 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was County Road 278 over Burlington & Northern RR built?

It was built in 1991, making it 34 years old in 2025.

What condition is County Road 278 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 June 2024.

How much traffic does County Road 278 over Burlington & Northern RR carry?

About 200 vehicles per day (2014 count), of which roughly 10% are trucks.

How long is County Road 278 over Burlington & Northern RR?

The structure is 280 ft (85.3 m) long with a longest span of 80 ft (24.4 m) and a deck 31 ft wide.

Who owns County Road 278 over Burlington & Northern RR?

It is owned by the County Highway Agency.