US Bridges

Commission Road over Canal No 1

Fair

Harrison County, Mississippi · Sec 12 T 8S R12W · Structure no. SA2400000000155

Built
1971
54 years old
Condition
Fair
inspected December 2024
Type
Channel Beam
Concrete
Length
69 ft
3 main spans
Daily traffic
2,650
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Commission Road over Canal No 1 is a concrete channel beam carrying Commission Road over Canal No 1 in Harrison County, Mississippi. It was built in 1971, so it is 54 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.

It carries about 2,650 vehicles a day, roughly 8% of them trucks, projected to reach 3,975 by 2044. The structure is 69 ft (21 m) long and 25 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCommission Road
CrossesCanal No 1
LocationSec 12 T 8S R12W
RouteCity Street 2030
CountyHarrison County
StateMississippi
Coordinates30.36913, -89.15056
Functional classUrban Collector

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being 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 rating53.4 US tons
Inventory rating32 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadH 15
Structure length69 ft (21 m)
Longest span31 ft (9.4 m)
Deck width25 ft (7.5 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,650 (2024)
Projected traffic3,975 by 2044
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$6,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Commission Road over Canal No 1 built?

It was built in 1971, making it 54 years old in 2025.

What condition is Commission Road over Canal No 1 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 Commission Road over Canal No 1 carry?

About 2,650 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Commission Road over Canal No 1?

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 Commission Road over Canal No 1?

It is owned by the City or Municipal Highway Agency.