US Bridges

Corban Road over Beaver Branch

FairPosted for load

Jefferson County, Mississippi · Sec 52 T 9N R 2E B · Structure no. SA3200000000040

Built
1973
52 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
158 ft
3 main spans
Daily traffic
150
2024 count
Owner
County
County Highway Agency

About this bridge

Corban Road over Beaver Branch is a prestressed concrete stringer/multi-beam or girder carrying Corban Road over Beaver Branch in Jefferson County, Mississippi. It was built in 1973, so it is 52 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 150 vehicles a day, roughly 8% of them trucks, projected to reach 225 by 2044. The structure is 158 ft (48.2 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCorban Road
CrossesBeaver Branch
LocationSec 52 T 9N R 2E B
RouteCounty Highway 42
Coordinates31.69778, -91.01694
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30 US tons
Inventory rating18.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadHS 15
Structure length158 ft (48.2 m)
Longest span40 ft (12.2 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2024)
Projected traffic225 by 2044
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$1.2 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Corban Road over Beaver Branch built?

It was built in 1973, making it 52 years old in 2025.

What condition is Corban Road over Beaver Branch 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 January 2024.

How much traffic does Corban Road over Beaver Branch carry?

About 150 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Corban Road over Beaver Branch?

The structure is 158 ft (48.2 m) long with a longest span of 40 ft (12.2 m) and a deck 29 ft wide.

Who owns Corban Road over Beaver Branch?

It is owned by the County Highway Agency.