US Bridges

Rockford Hills Ave over Unnamed Str

GoodPosted for load

Chariton County, Missouri · S 34 T 53 N R 18 W · Structure no. 24717

Built
1900
125 years old, rebuilt 1988
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
47 ft
1 main span
Daily traffic
35
2024 count
Owner
County
County Highway Agency

About this bridge

Rockford Hills Ave over Unnamed Str is a steel stringer/multi-beam or girder carrying Rockford Hills Ave over Unnamed Str in Chariton County, Missouri. It was built in 1900 and reconstructed in 1988, so it is 125 years old, older 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. 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 47 ft (14.3 m) long and 24 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesRockford Hills Ave
CrossesUnnamed Str
LocationS 34 T 53 N R 18 W
RouteCounty Highway 537
Coordinates39.35024, -92.92044
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating30.8 US tons
Inventory rating17.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length47 ft (14.3 m)
Longest span46 ft (14 m)
Deck width24 ft (7.2 m)
Roadway width23 ft (7 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 closed6.8 mi (11 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 Rockford Hills Ave over Unnamed Str built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1988.

What condition is Rockford Hills Ave over Unnamed Str 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 September 2024.

How much traffic does Rockford Hills Ave over Unnamed Str carry?

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

How long is Rockford Hills Ave over Unnamed Str?

The structure is 47 ft (14.3 m) long with a longest span of 46 ft (14 m) and a deck 24 ft wide.

Who owns Rockford Hills Ave over Unnamed Str?

It is owned by the County Highway Agency.