US Bridges

Isom Chapel Road over Unnamed Creek

Fair

Marshall County, Mississippi · Sec 24 T 2S R 3W B · Structure no. SA4700000000028

Built
1999
26 years old
Condition
Fair
inspected March 2023
Type
Channel Beam
Concrete
Length
76 ft
4 main spans
Daily traffic
90
2021 count
Owner
County
County Highway Agency

About this bridge

Isom Chapel Road over Unnamed Creek is a concrete channel beam carrying Isom Chapel Road over Unnamed Creek in Marshall 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 6 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 90 vehicles a day, roughly 8% of them trucks, projected to reach 135 by 2041. The structure is 76 ft (23.2 m) long and 25 ft wide. If it were closed, the detour would be 13 mi (21 km).

Location

Open in Google Maps
CarriesIsom Chapel Road
CrossesUnnamed Creek
LocationSec 24 T 2S R 3W B
RouteCounty Highway 65
CountyMarshall County
StateMississippi
Coordinates34.89616, -89.47643
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
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 traffic90 (2021)
Projected traffic135 by 2041
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Isom Chapel Road over Unnamed Creek built?

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

What condition is Isom Chapel Road over Unnamed 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 March 2023.

How much traffic does Isom Chapel Road over Unnamed Creek carry?

About 90 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is Isom Chapel Road over Unnamed 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 Isom Chapel Road over Unnamed Creek?

It is owned by the County Highway Agency.