US Bridges

County RD 677 over Trib of Cuivre Rvr

Fair

Audrain County, Missouri · S 27 T 51 N R 5 W · Structure no. 24853

Built
1935
90 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 677 over Trib of Cuivre Rvr is a steel stringer/multi-beam or girder carrying County RD 677 over Trib of Cuivre Rvr in Audrain County, Missouri. It was built in 1935, so it is 90 years old, older than the Missouri average of 45.1 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 50 vehicles a day, roughly 10% of them trucks, projected to reach 63 by 2043. The structure is 30 ft (9.1 m) long and 18 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCounty RD 677
CrossesTrib of Cuivre Rvr
LocationS 27 T 51 N R 5 W
RouteCounty Highway 564
CountyAudrain County
StateMissouri
Coordinates39.16997, -91.46464
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating29.8 US tons
Inventory rating15.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length30 ft (9.1 m)
Longest span29 ft (8.8 m)
Deck width18 ft (5.5 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic63 by 2043
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$196,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 677 over Trib of Cuivre Rvr built?

It was built in 1935, making it 90 years old in 2025.

What condition is County RD 677 over Trib of Cuivre Rvr 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 May 2023.

How much traffic does County RD 677 over Trib of Cuivre Rvr carry?

About 50 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County RD 677 over Trib of Cuivre Rvr?

The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.8 m) and a deck 18 ft wide.

Who owns County RD 677 over Trib of Cuivre Rvr?

It is owned by the County Highway Agency.