US Bridges

Allen Street over Elam Creek

PoorPosted for load

Alcorn County, Mississippi · Sec 12 T 2S R 7E · Structure no. SA0200000000069

Built
1975
50 years old
Condition
Poor
inspected September 2024
Type
Channel Beam
Concrete
Length
56 ft
300 main spans
Daily traffic
702
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Allen Street over Elam Creek is a concrete channel beam carrying Allen Street over Elam Creek in Alcorn 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 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 702 vehicles a day, roughly 15% of them trucks, projected to reach 1,500 by 2043. The structure is 56 ft (17 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesAllen Street
CrossesElam Creek
LocationSec 12 T 2S R 7E
RouteCity Street 670
Coordinates34.92898, -88.52289
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.6 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans300
Design loadH 15
Structure length56 ft (17 m)
Longest span20 ft (6 m)
Deck width26 ft (8 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic702 (2024)
Projected traffic1,500 by 2043
Trucks15%
Lanes on structure20
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$208,000 (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Allen Street over Elam Creek built?

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

What condition is Allen Street over Elam Creek 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 September 2024.

How much traffic does Allen Street over Elam Creek carry?

About 702 vehicles per day (2024 count), of which roughly 15% are trucks.

How long is Allen Street over Elam Creek?

The structure is 56 ft (17 m) long with a longest span of 20 ft (6 m) and a deck 26 ft wide.

Who owns Allen Street over Elam Creek?

It is owned by the City or Municipal Highway Agency.