US Bridges

Mchann Road over Bch of Big Creek

FairPosted for load

Oktibbeha County, Mississippi · Sec 26 T18N R12E · Structure no. SA5300000000057

Built
1984
41 years old
Condition
Fair
inspected November 2023
Type
Channel Beam
Concrete
Length
57 ft
3 main spans
Daily traffic
60
2012 count
Owner
County
County Highway Agency

About this bridge

Mchann Road over Bch of Big Creek is a concrete channel beam carrying Mchann Road over Bch of Big Creek in Oktibbeha County, Mississippi. It was built in 1984, so it is 41 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. Its operating status is: posted for load restriction.

It carries about 60 vehicles a day, projected to reach 90 by 2032. The structure is 57 ft (17.4 m) long and 25 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesMchann Road
CrossesBch of Big Creek
LocationSec 26 T18N R12E
RouteCounty Highway 129
Coordinates33.39217, -89.00142
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating24.8 US tons
Inventory rating18.8 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadH 15
Structure length57 ft (17.4 m)
Longest span19 ft (5.8 m)
Deck width25 ft (7.5 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2012)
Projected traffic90 by 2032
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$36,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Mchann Road over Bch of Big Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is Mchann Road over Bch of Big Creek 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 November 2023.

How much traffic does Mchann Road over Bch of Big Creek carry?

About 60 vehicles per day (2012 count).

How long is Mchann Road over Bch of Big Creek?

The structure is 57 ft (17.4 m) long with a longest span of 19 ft (5.8 m) and a deck 25 ft wide.

Who owns Mchann Road over Bch of Big Creek?

It is owned by the County Highway Agency.