US Bridges

Ivory RD over Trib of Mussel CR

Good

Sullivan County, Missouri · S 13 T 61 N R 18 W · Structure no. 33977

Built
2010
15 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
78 ft
1 main span
Daily traffic
15
2024 count
Owner
County
County Highway Agency

About this bridge

Ivory RD over Trib of Mussel CR is a steel stringer/multi-beam or girder carrying Ivory RD over Trib of Mussel CR in Sullivan County, Missouri. It was built in 2010, so it is 15 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 15 vehicles a day, roughly 10% of them trucks, projected to reach 17 by 2044. The structure is 78 ft (23.8 m) long and 21 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesIvory RD
CrossesTrib of Mussel CR
LocationS 13 T 61 N R 18 W
RouteCounty Highway 359
Coordinates40.09354, -92.87505
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating79.4 US tons
Inventory rating47.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length78 ft (23.8 m)
Longest span77 ft (23.6 m)
Deck width21 ft (6.5 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2024)
Projected traffic17 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Ivory RD over Trib of Mussel CR built?

It was built in 2010, making it 15 years old in 2025.

What condition is Ivory RD over Trib of Mussel CR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2023.

How much traffic does Ivory RD over Trib of Mussel CR carry?

About 15 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Ivory RD over Trib of Mussel CR?

The structure is 78 ft (23.8 m) long with a longest span of 77 ft (23.6 m) and a deck 21 ft wide.

Who owns Ivory RD over Trib of Mussel CR?

It is owned by the County Highway Agency.