US Bridges

CO RD 104 over Unnamed Stream

FairPosted for load

Yalobusha County, Mississippi · Sec 11 T11S R 5W · Structure no. SA8100000000016

Built
1978
47 years old
Condition
Fair
inspected September 2024
Type
Channel Beam
Concrete
Length
59 ft
3 main spans
Daily traffic
40
2020 count
Owner
County
County Highway Agency

About this bridge

CO RD 104 over Unnamed Stream is a concrete channel beam carrying CO RD 104 over Unnamed Stream in Yalobusha County, Mississippi. It was built in 1978, so it is 47 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. Its operating status is: posted for load restriction.

It carries about 40 vehicles a day, projected to reach 60 by 2042. The structure is 59 ft (18 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCO RD 104
CrossesUnnamed Stream
LocationSec 11 T11S R 5W
RouteCounty Highway 104
Coordinates34.13436, -89.686
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.
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.4 US tons
Inventory rating24 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadH 15
Structure length59 ft (18 m)
Longest span19 ft (5.8 m)
Deck width28 ft (8.6 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2020)
Projected traffic60 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$175,000
NavigationNo navigation control on waterway

Frequently asked questions

When was CO RD 104 over Unnamed Stream built?

It was built in 1978, making it 47 years old in 2025.

What condition is CO RD 104 over Unnamed Stream 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 CO RD 104 over Unnamed Stream carry?

About 40 vehicles per day (2020 count).

How long is CO RD 104 over Unnamed Stream?

The structure is 59 ft (18 m) long with a longest span of 19 ft (5.8 m) and a deck 28 ft wide.

Who owns CO RD 104 over Unnamed Stream?

It is owned by the County Highway Agency.