US Bridges

Mchann Road over Big Creek

Fair

Oktibbeha County, Mississippi · Sec 26 T18N R12E · Structure no. SA5300000000058

Built
1987
38 years old
Condition
Fair
inspected January 2024
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 Big Creek is a concrete channel beam carrying Mchann Road over Big Creek in Oktibbeha County, Mississippi. It was built in 1987, so it is 38 years old, younger 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 60 vehicles a day, projected to reach 90 by 2032. The structure is 57 ft (17.4 m) long and 24 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesMchann Road
CrossesBig Creek
LocationSec 26 T18N R12E
RouteCounty Highway 129
Coordinates33.39403, -89.00139
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.
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 inspectionJanuary 2024
Inspection intervalevery 12 months
Operating statusOpen, no 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 rating65.6 US tons
Inventory rating39.2 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 width24 ft (7.3 m)
Roadway width22 ft (6.8 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$35,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Mchann Road over Big Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is Mchann Road over 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 January 2024.

How much traffic does Mchann Road over Big Creek carry?

About 60 vehicles per day (2012 count).

How long is Mchann Road over Big Creek?

The structure is 57 ft (17.4 m) long with a longest span of 19 ft (5.8 m) and a deck 24 ft wide.

Who owns Mchann Road over Big Creek?

It is owned by the County Highway Agency.