US Bridges

Rt F S over Arch Br

Fair

Macon County, Missouri · S 30 T 59 N R 16 W · Structure no. 7185

Built
1960
65 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
81
2024 count
Owner
State
State Highway Agency

About this bridge

Rt F S over Arch Br is a concrete continuous culvert carrying Rt F S over Arch Br in Macon County, Missouri. It was built in 1960, so it is 65 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 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 81 vehicles a day, roughly 30% of them trucks, projected to reach 101 by 2044. The structure is 21 ft (6.4 m) long and 26 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

Location

Open in Google Maps
CarriesRt F S
CrossesArch Br
LocationS 30 T 59 N R 16 W
RouteState Highway 0F
CountyMacon County
StateMissouri
Coordinates39.89627, -92.72772
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating61.5 US tons
Inventory rating36.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 10
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic81 (2024)
Projected traffic101 by 2044
Trucks30%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Rt F S over Arch Br built?

It was built in 1960, making it 65 years old in 2025.

What condition is Rt F S over Arch Br 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 2023.

How much traffic does Rt F S over Arch Br carry?

About 81 vehicles per day (2024 count), of which roughly 30% are trucks.

How long is Rt F S over Arch Br?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 26 ft wide.

Who owns Rt F S over Arch Br?

It is owned by the State Highway Agency.