US Bridges

Rt Mm S over Wolf CR

Fair

Atchison County, Missouri · S 31 T 64 N R 39 W · Structure no. 6926

Built
1957
68 years old, rebuilt 2002
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
148 ft
3 main spans
Daily traffic
100
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Mm S over Wolf CR is a steel stringer/multi-beam or girder carrying Rt Mm S over Wolf CR in Atchison County, Missouri. It was built in 1957 and reconstructed in 2002, so it is 68 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 130 by 2044. The structure is 148 ft (45.1 m) long and 25 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesRt Mm S
CrossesWolf CR
LocationS 31 T 64 N R 39 W
RouteState Highway 0MM
CountyAtchison County
StateMissouri
Coordinates40.31571, -95.33177
Functional classRural Minor 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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 10
Structure length148 ft (45.1 m)
Longest span55 ft (16.9 m)
Deck width25 ft (7.7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2024)
Projected traffic130 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Mm S over Wolf CR built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 2002.

What condition is Rt Mm S over Wolf 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 September 2023.

How much traffic does Rt Mm S over Wolf CR carry?

About 100 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Rt Mm S over Wolf CR?

The structure is 148 ft (45.1 m) long with a longest span of 55 ft (16.9 m) and a deck 25 ft wide.

Who owns Rt Mm S over Wolf CR?

It is owned by the State Highway Agency.