US Bridges

Davis RD over Iman Br

Good

Franklin County, Missouri · S 20 T 44 N R 2 E · Structure no. 14738

Built
1999
26 years old
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
45 ft
1 main span
Daily traffic
100
2023 count
Owner
County
County Highway Agency

About this bridge

Davis RD over Iman Br is a prestressed concrete stringer/multi-beam or girder carrying Davis RD over Iman Br in Franklin County, Missouri. It was built in 1999, so it is 26 years old, younger 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.

It carries about 100 vehicles a day, roughly 10% of them trucks, projected to reach 180 by 2043. The structure is 45 ft (13.7 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesDavis RD
CrossesIman Br
LocationS 20 T 44 N R 2 E
RouteCounty Highway 74
Coordinates38.55296, -90.8105
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.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating67.5 US tons
Inventory rating38.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length45 ft (13.7 m)
Longest span42 ft (12.8 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2023)
Projected traffic180 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Davis RD over Iman Br built?

It was built in 1999, making it 26 years old in 2025.

What condition is Davis RD over Iman Br 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 January 2025.

How much traffic does Davis RD over Iman Br carry?

About 100 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Davis RD over Iman Br?

The structure is 45 ft (13.7 m) long with a longest span of 42 ft (12.8 m) and a deck 27 ft wide.

Who owns Davis RD over Iman Br?

It is owned by the County Highway Agency.