US Bridges

Deerfield Road over Milk Bayou

PoorPosted for load

Adams County, Mississippi · Sec 27 T 5N R 1W B · Structure no. SA0100000000006

Built
1970
55 years old
Condition
Poor
inspected January 2024
Type
Channel Beam
Concrete
Length
31 ft
1 main span
Daily traffic
100
2021 count
Owner
County
County Highway Agency

About this bridge

Deerfield Road over Milk Bayou is a concrete channel beam carrying Deerfield Road over Milk Bayou in Adams 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 100 vehicles a day, projected to reach 150 by 2043. The structure is 31 ft (9.4 m) long and 28 ft wide. If it were closed, the detour would be 18 mi (29 km).

CarriesDeerfield Road
CrossesMilk Bayou
LocationSec 27 T 5N R 1W B
RouteCounty Highway 1
Coordinates31.38651, -91.25169
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating11.6 US tons
Inventory rating4.4 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadH 15
Structure length31 ft (9.4 m)
Longest span31 ft (9.4 m)
Deck width28 ft (8.6 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2021)
Projected traffic150 by 2043
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$230,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Deerfield Road over Milk Bayou built?

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

What condition is Deerfield Road over Milk Bayou in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2024.

How much traffic does Deerfield Road over Milk Bayou carry?

About 100 vehicles per day (2021 count).

How long is Deerfield Road over Milk Bayou?

The structure is 31 ft (9.4 m) long with a longest span of 31 ft (9.4 m) and a deck 28 ft wide.

Who owns Deerfield Road over Milk Bayou?

It is owned by the County Highway Agency.