US Bridges

Mcfarlane ST over Town Br

Fair

Audrain County, Missouri · S 25 T 51 N R 9 W · Structure no. 20885

Built
1978
47 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete
Length
32 ft
2 main spans
Daily traffic
300
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mcfarlane ST over Town Br is a concrete culvert carrying Mcfarlane ST over Town Br in Audrain County, Missouri. It was built in 1978, so it is 47 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 300 vehicles a day, roughly 5% of them trucks, projected to reach 405 by 2043. The structure is 32 ft (9.8 m) long and 52 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesMcfarlane ST
CrossesTown Br
LocationS 25 T 51 N R 9 W
RouteCity Street 0
Coordinates39.17592, -91.87486
Functional classUrban 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.7 US tons
Inventory rating27.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 10
Structure length32 ft (9.8 m)
Longest span15 ft (4.6 m)
Deck width52 ft (15.8 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2023)
Projected traffic405 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Mcfarlane ST over Town Br built?

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

What condition is Mcfarlane ST over Town 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 March 2023.

How much traffic does Mcfarlane ST over Town Br carry?

About 300 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Mcfarlane ST over Town Br?

The structure is 32 ft (9.8 m) long with a longest span of 15 ft (4.6 m) and a deck 52 ft wide.

Who owns Mcfarlane ST over Town Br?

It is owned by the City or Municipal Highway Agency.