US Bridges

Mckenzie Road over Martin Creek

Fair

Pike County, Mississippi · Sec 32 T 3N R 8E · Structure no. SA5700000000129

Built
1970
55 years old
Condition
Fair
inspected February 2024
Type
Channel Beam
Concrete
Length
76 ft
4 main spans
Daily traffic
155
2021 count
Owner
County
County Highway Agency

About this bridge

Mckenzie Road over Martin Creek is a concrete channel beam carrying Mckenzie Road over Martin Creek in Pike County, Mississippi. It was built in 1970, so it is 55 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 6 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 155 vehicles a day, roughly 8% of them trucks, projected to reach 225 by 2043. The structure is 76 ft (23.2 m) long and 25 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMckenzie Road
CrossesMartin Creek
LocationSec 32 T 3N R 8E
RouteCounty Highway 175
Coordinates31.18486, -90.42756
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating65.6 US tons
Inventory rating39.2 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadH 15
Structure length76 ft (23.2 m)
Longest span19 ft (5.8 m)
Deck width25 ft (7.5 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic155 (2021)
Projected traffic225 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$504,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mckenzie Road over Martin Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is Mckenzie Road over Martin 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 February 2024.

How much traffic does Mckenzie Road over Martin Creek carry?

About 155 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is Mckenzie Road over Martin Creek?

The structure is 76 ft (23.2 m) long with a longest span of 19 ft (5.8 m) and a deck 25 ft wide.

Who owns Mckenzie Road over Martin Creek?

It is owned by the County Highway Agency.