US Bridges

County Road 260 over Parker Br

Poor

Carroll County, Missouri · S 29 T 53 N R 23 W · Structure no. 23573

Built
1940
85 years old, rebuilt 1988
Condition
Poor
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
59 ft
2 main spans
Daily traffic
10
2024 count
Owner
County
County Highway Agency

About this bridge

County Road 260 over Parker Br is a steel stringer/multi-beam or girder carrying County Road 260 over Parker Br in Carroll County, Missouri. It was built in 1940 and reconstructed in 1988, so it is 85 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 10 vehicles a day, roughly 10% of them trucks, projected to reach 11 by 2044. The structure is 59 ft (18 m) long and 17 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCounty Road 260
CrossesParker Br
LocationS 29 T 53 N R 23 W
RouteCounty Highway 416
Coordinates39.38486, -93.38914
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.5 US tons
Inventory rating42.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadOther
Structure length59 ft (18 m)
Longest span37 ft (11.3 m)
Deck width17 ft (5.3 m)
Roadway width17 ft (5.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2024)
Projected traffic11 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$309,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 260 over Parker Br built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1988.

What condition is County Road 260 over Parker Br in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2024.

How much traffic does County Road 260 over Parker Br carry?

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

How long is County Road 260 over Parker Br?

The structure is 59 ft (18 m) long with a longest span of 37 ft (11.3 m) and a deck 17 ft wide.

Who owns County Road 260 over Parker Br?

It is owned by the County Highway Agency.