US Bridges

Mcnair Road over Middle Fork Creek

FairPosted for load

Franklin County, Mississippi · Sec 28 T 6N R 3E B · Structure no. SA1900000000072

Built
1954
71 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
390 ft
3 main spans
Daily traffic
1,300
2013 count
Owner
County
County Highway Agency

About this bridge

Mcnair Road over Middle Fork Creek is a steel continuous stringer/multi-beam or girder carrying Mcnair Road over Middle Fork Creek in Franklin County, Mississippi. It was built in 1954, so it is 71 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. Its operating status is: posted for load restriction.

It carries about 1,300 vehicles a day, roughly 8% of them trucks, projected to reach 1,950 by 2035. The structure is 390 ft (118.9 m) long and 28 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesMcnair Road
CrossesMiddle Fork Creek
LocationSec 28 T 6N R 3E B
RouteCounty Highway 2162
Coordinates31.48242, -90.91482
Functional classRural Major 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating26.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+5 approach)
Design loadH 15
Structure length390 ft (118.9 m)
Longest span240 ft (73.2 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,300 (2013)
Projected traffic1,950 by 2035
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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$650,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Mcnair Road over Middle Fork Creek built?

It was built in 1954, making it 71 years old in 2025.

What condition is Mcnair Road over Middle Fork Creek 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 October 2024.

How much traffic does Mcnair Road over Middle Fork Creek carry?

About 1,300 vehicles per day (2013 count), of which roughly 8% are trucks.

How long is Mcnair Road over Middle Fork Creek?

The structure is 390 ft (118.9 m) long with a longest span of 240 ft (73.2 m) and a deck 28 ft wide.

Who owns Mcnair Road over Middle Fork Creek?

It is owned by the County Highway Agency.