US Bridges

Pinchback Road over Millstone Bayou

FairPosted for load

Holmes County, Mississippi · Sec 10 T16N R 1E · Structure no. SA2600000000126

Built
1974
51 years old
Condition
Fair
inspected October 2024
Type
Channel Beam
Concrete
Length
114 ft
6 main spans
Daily traffic
30
2022 count
Owner
County
County Highway Agency

About this bridge

Pinchback Road over Millstone Bayou is a concrete channel beam carrying Pinchback Road over Millstone Bayou in Holmes County, Mississippi. It was built in 1974, so it is 51 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 30 vehicles a day, projected to reach 45 by 2042. The structure is 114 ft (34.7 m) long and 28 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

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CarriesPinchback Road
CrossesMillstone Bayou
LocationSec 10 T16N R 1E
RouteCounty Highway 14
CountyHolmes County
StateMississippi
Coordinates33.25906, -90.17731
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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating22 US tons
Inventory rating13.2 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans6
Design loadH 15
Structure length114 ft (34.7 m)
Longest span19 ft (5.8 m)
Deck width28 ft (8.5 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2022)
Projected traffic45 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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$750,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Pinchback Road over Millstone Bayou built?

It was built in 1974, making it 51 years old in 2025.

What condition is Pinchback Road over Millstone Bayou 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 Pinchback Road over Millstone Bayou carry?

About 30 vehicles per day (2022 count).

How long is Pinchback Road over Millstone Bayou?

The structure is 114 ft (34.7 m) long with a longest span of 19 ft (5.8 m) and a deck 28 ft wide.

Who owns Pinchback Road over Millstone Bayou?

It is owned by the County Highway Agency.