US Bridges

N. Railroad Ave. over 3rd Marsh

PoorPosted for load

Hancock County, Mississippi · Sec 17 T 9S R14W · Structure no. SA2300000000053

Built
2001
24 years old
Condition
Poor
inspected October 2023
Type
Channel Beam
Concrete
Length
69 ft
3 main spans
Daily traffic
50
2021 count
Owner
County
County Highway Agency

About this bridge

N. Railroad Ave. over 3rd Marsh is a concrete channel beam carrying N. Railroad Ave. over 3rd Marsh in Hancock County, Mississippi. It was built in 2001, so it is 24 years old, younger 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 50 vehicles a day, projected to reach 75 by 2041. The structure is 69 ft (21 m) long and 25 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesN. Railroad Ave.
Crosses3rd Marsh
LocationSec 17 T 9S R14W
RouteCounty Highway 621
CountyHancock County
StateMississippi
Coordinates30.26253, -89.42292
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.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25.6 US tons
Inventory rating15.4 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length69 ft (21 m)
Longest span31 ft (9.4 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2021)
Projected traffic75 by 2041
Trucks0%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was N. Railroad Ave. over 3rd Marsh built?

It was built in 2001, making it 24 years old in 2025.

What condition is N. Railroad Ave. over 3rd Marsh 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 October 2023.

How much traffic does N. Railroad Ave. over 3rd Marsh carry?

About 50 vehicles per day (2021 count).

How long is N. Railroad Ave. over 3rd Marsh?

The structure is 69 ft (21 m) long with a longest span of 31 ft (9.4 m) and a deck 25 ft wide.

Who owns N. Railroad Ave. over 3rd Marsh?

It is owned by the County Highway Agency.