US Bridges

Mount Olive RD over Mulkey CR

Fair

Lafayette County, Missouri · S 20 T 48 N R 25 W · Structure no. 35157

Built
2015
10 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
60 ft
1 main span
Daily traffic
30
2024 count
Owner
County
County Highway Agency

About this bridge

Mount Olive RD over Mulkey CR is a steel stringer/multi-beam or girder carrying Mount Olive RD over Mulkey CR in Lafayette County, Missouri. It was built in 2015, so it is 10 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.

It carries about 30 vehicles a day, roughly 10% of them trucks, projected to reach 39 by 2044. The structure is 60 ft (18.4 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesMount Olive RD
CrossesMulkey CR
LocationS 20 T 48 N R 25 W
RouteCounty Highway 348
Coordinates38.93585, -93.68622
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating29.8 US tons
Inventory rating17.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length60 ft (18.4 m)
Longest span58 ft (17.6 m)
Deck width25 ft (7.5 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2024)
Projected traffic39 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mount Olive RD over Mulkey CR built?

It was built in 2015, making it 10 years old in 2025.

What condition is Mount Olive RD over Mulkey 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 November 2023.

How much traffic does Mount Olive RD over Mulkey CR carry?

About 30 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Mount Olive RD over Mulkey CR?

The structure is 60 ft (18.4 m) long with a longest span of 58 ft (17.6 m) and a deck 25 ft wide.

Who owns Mount Olive RD over Mulkey CR?

It is owned by the County Highway Agency.