US Bridges

Deerfield Road over Canal

GoodPosted for load

Washington County, Mississippi · Sec 24 T17N R 8W B · Structure no. SA7600000000197

Built
1975
50 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
69 ft
1 main span
Daily traffic
150
2023 count
Owner
County
County Highway Agency

About this bridge

Deerfield Road over Canal is a prestressed concrete stringer/multi-beam or girder carrying Deerfield Road over Canal in Washington County, Mississippi. It was built in 1975, so it is 50 years old, older 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. Its operating status is: posted for load restriction.

It carries about 150 vehicles a day, roughly 8% of them trucks, projected to reach 210 by 2043. The structure is 69 ft (21 m) long and 29 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesDeerfield Road
CrossesCanal
LocationSec 24 T17N R 8W B
RouteCounty Highway 631
Coordinates33.30473, -91.06631
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating29.7 US tons
Inventory rating17.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 15
Structure length69 ft (21 m)
Longest span31 ft (9.4 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2023)
Projected traffic210 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$926,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Deerfield Road over Canal built?

It was built in 1975, making it 50 years old in 2025.

What condition is Deerfield Road over Canal 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 October 2023.

How much traffic does Deerfield Road over Canal carry?

About 150 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Deerfield Road over Canal?

The structure is 69 ft (21 m) long with a longest span of 31 ft (9.4 m) and a deck 29 ft wide.

Who owns Deerfield Road over Canal?

It is owned by the County Highway Agency.