US Bridges

Concord ST over Trib to Rvr

Good

Macon County, Missouri · S 8 T 58 N R 16 W · Structure no. 35507

Built
2016
9 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
49 ft
1 main span
Daily traffic
15
2024 count
Owner
County
County Highway Agency

About this bridge

Concord ST over Trib to Rvr is a steel stringer/multi-beam or girder carrying Concord ST over Trib to Rvr in Macon County, Missouri. It was built in 2016, so it is 9 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 7 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 49 ft (14.9 m) long and 22 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesConcord ST
CrossesTrib to Rvr
LocationS 8 T 58 N R 16 W
RouteCounty Highway 326
Coordinates39.85208, -92.72066
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
Deck9 ExcellentNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 alignment6: Equal to present minimum criteria
Operating rating43.7 US tons
Inventory rating26.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length49 ft (14.9 m)
Longest span48 ft (14.6 m)
Deck width22 ft (6.8 m)
Roadway width22 ft (6.7 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 closed3.7 mi (6 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 Concord ST over Trib to Rvr built?

It was built in 2016, making it 9 years old in 2025.

What condition is Concord ST over Trib to Rvr 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 February 2024.

How much traffic does Concord ST over Trib to Rvr carry?

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

How long is Concord ST over Trib to Rvr?

The structure is 49 ft (14.9 m) long with a longest span of 48 ft (14.6 m) and a deck 22 ft wide.

Who owns Concord ST over Trib to Rvr?

It is owned by the County Highway Agency.