US Bridges

Tram Road over Beaver Dam Bayou

PoorPosted for load

Humphreys County, Mississippi · Sec 1 T16N R 4W B · Structure no. SA2700000000083

Built
1974
51 years old
Condition
Poor
inspected September 2024
Type
Channel Beam
Concrete
Length
56 ft
100 main spans
Daily traffic
180
2021 count
Owner
County
County Highway Agency

About this bridge

Tram Road over Beaver Dam Bayou is a concrete channel beam carrying Tram Road over Beaver Dam Bayou in Humphreys 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 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 180 vehicles a day, roughly 8% of them trucks, projected to reach 270 by 2043. The structure is 56 ft (17 m) long and 26 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

CarriesTram Road
CrossesBeaver Dam Bayou
LocationSec 1 T16N R 4W B
RouteCounty Highway 30
Coordinates33.26339, -90.55944
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 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 alignment6: Equal to present minimum criteria
Operating rating40.1 US tons
Inventory rating24 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans100 (+2 approach)
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 traffic180 (2021)
Projected traffic270 by 2043
Trucks8%
Lanes on structure20
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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$156,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Tram Road over Beaver Dam Bayou built?

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

What condition is Tram Road over Beaver Dam 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 September 2024.

How much traffic does Tram Road over Beaver Dam Bayou carry?

About 180 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is Tram Road over Beaver Dam Bayou?

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 Tram Road over Beaver Dam Bayou?

It is owned by the County Highway Agency.