US Bridges

Church Ave over ST Martins Bayou Branch

Fair

Harrison County, Mississippi · Sec 22 T 7S R 9W · Structure no. SA2400000000077

Built
1982
43 years old
Condition
Fair
inspected December 2024
Type
Channel Beam
Concrete
Length
31 ft
1 main span
Daily traffic
53
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Church Ave over ST Martins Bayou Branch is a concrete channel beam carrying Church Ave over ST Martins Bayou Branch in Harrison County, Mississippi. It was built in 1982, so it is 43 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 53 vehicles a day, projected to reach 79 by 2044. The structure is 31 ft (9.4 m) long and 25 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesChurch Ave
CrossesST Martins Bayou Branch
LocationSec 22 T 7S R 9W
RouteCity Street 481
CountyHarrison County
StateMississippi
Coordinates30.43364, -88.89016
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.3 US tons
Inventory rating39.1 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span31 ft (9.4 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic53 (2024)
Projected traffic79 by 2044
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$3,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Church Ave over ST Martins Bayou Branch built?

It was built in 1982, making it 43 years old in 2025.

What condition is Church Ave over ST Martins Bayou 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 December 2024.

How much traffic does Church Ave over ST Martins Bayou Branch carry?

About 53 vehicles per day (2024 count).

How long is Church Ave over ST Martins Bayou Branch?

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

Who owns Church Ave over ST Martins Bayou Branch?

It is owned by the City or Municipal Highway Agency.