US Bridges

Big Mound Road over Kirk Creek

Fair

Yazoo County, Mississippi · Sec 15 T 9N R 2W · Structure no. SA8200000000006

Built
1964
61 years old
Condition
Fair
inspected August 2024
Type
Channel Beam
Concrete
Length
76 ft
4 main spans
Daily traffic
120
2019 count
Owner
County
County Highway Agency

About this bridge

Big Mound Road over Kirk Creek is a concrete channel beam carrying Big Mound Road over Kirk Creek in Yazoo County, Mississippi. It was built in 1964, so it is 61 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 120 vehicles a day, roughly 8% of them trucks, projected to reach 200 by 2042. The structure is 76 ft (23.2 m) long and 25 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesBig Mound Road
CrossesKirk Creek
LocationSec 15 T 9N R 2W
RouteCounty Highway 20
CountyYazoo County
StateMississippi
Coordinates32.61875, -90.39292
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.2 US tons
Inventory rating36.6 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadH 15
Structure length76 ft (23.2 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 traffic120 (2019)
Projected traffic200 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$228,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Big Mound Road over Kirk Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is Big Mound Road over Kirk 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 August 2024.

How much traffic does Big Mound Road over Kirk Creek carry?

About 120 vehicles per day (2019 count), of which roughly 8% are trucks.

How long is Big Mound Road over Kirk Creek?

The structure is 76 ft (23.2 m) long with a longest span of 19 ft (5.8 m) and a deck 25 ft wide.

Who owns Big Mound Road over Kirk Creek?

It is owned by the County Highway Agency.