US Bridges

Irwin Road over Kirk Creek

Fair

Yazoo County, Mississippi · Sec 22 T 9N R 2W · Structure no. SA8200000000009

Built
1999
26 years old
Condition
Fair
inspected September 2024
Type
Channel Beam
Concrete
Length
95 ft
5 main spans
Daily traffic
125
2019 count
Owner
County
County Highway Agency

About this bridge

Irwin Road over Kirk Creek is a concrete channel beam carrying Irwin Road over Kirk Creek in Yazoo County, Mississippi. It was built in 1999, so it is 26 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 125 vehicles a day, roughly 8% of them trucks, projected to reach 220 by 2044. The structure is 95 ft (29 m) long and 25 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesIrwin Road
CrossesKirk Creek
LocationSec 22 T 9N R 2W
RouteCounty Highway 23
CountyYazoo County
StateMississippi
Coordinates32.60889, -90.39097
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
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 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 rating58 US tons
Inventory rating34.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans5
Design loadH 15
Structure length95 ft (29 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 traffic125 (2019)
Projected traffic220 by 2044
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$285,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Irwin Road over Kirk Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is Irwin 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 September 2024.

How much traffic does Irwin Road over Kirk Creek carry?

About 125 vehicles per day (2019 count), of which roughly 8% are trucks.

How long is Irwin Road over Kirk Creek?

The structure is 95 ft (29 m) long with a longest span of 19 ft (5.8 m) and a deck 25 ft wide.

Who owns Irwin Road over Kirk Creek?

It is owned by the County Highway Agency.