US Bridges

Arrow RD over Br of Parsons CR

FairPosted for load

Linn County, Missouri · S 36 T 57 N R 22 W · Structure no. 21248

Built
1997
28 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
36 ft
1 main span
Daily traffic
35
2024 count
Owner
County
County Highway Agency

About this bridge

Arrow RD over Br of Parsons CR is a steel stringer/multi-beam or girder carrying Arrow RD over Br of Parsons CR in Linn County, Missouri. It was built in 1997, so it is 28 years old, younger 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. Its operating status is: posted for load restriction.

It carries about 35 vehicles a day, roughly 10% of them trucks, projected to reach 39 by 2044. The structure is 36 ft (11 m) long and 18 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesArrow RD
CrossesBr of Parsons CR
LocationS 36 T 57 N R 22 W
RouteCounty Highway 297
Coordinates39.7924, -93.31508
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating23.8 US tons
Inventory rating13.9 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length36 ft (11 m)
Longest span35 ft (10.7 m)
Deck width18 ft (5.6 m)
Roadway width18 ft (5.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2024)
Projected traffic39 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Arrow RD over Br of Parsons CR built?

It was built in 1997, making it 28 years old in 2025.

What condition is Arrow RD over Br of Parsons CR 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 December 2024.

How much traffic does Arrow RD over Br of Parsons CR carry?

About 35 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Arrow RD over Br of Parsons CR?

The structure is 36 ft (11 m) long with a longest span of 35 ft (10.7 m) and a deck 18 ft wide.

Who owns Arrow RD over Br of Parsons CR?

It is owned by the County Highway Agency.