US Bridges

Summers RD over Br of Davis CR

Fair

Lafayette County, Missouri · S 12 T 49 N R 25 W · Structure no. 20314

Built
1994
31 years old
Condition
Fair
inspected November 2023
Type
Box Beam or Girders - Multiple
Concrete
Length
30 ft
1 main span
Daily traffic
50
2024 count
Owner
County
County Highway Agency

About this bridge

Summers RD over Br of Davis CR is a concrete box beam or girders - multiple carrying Summers RD over Br of Davis CR in Lafayette County, Missouri. It was built in 1994, so it is 31 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 50 vehicles a day, roughly 10% of them trucks, projected to reach 65 by 2044. The structure is 30 ft (9.1 m) long and 20 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesSummers RD
CrossesBr of Davis CR
LocationS 12 T 49 N R 25 W
RouteCounty Highway 255
CountyLafayette County
StateMissouri
Coordinates39.05707, -93.62224
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.4 US tons
Inventory rating43.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span30 ft (9.1 m)
Deck width20 ft (6.2 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2024)
Projected traffic65 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 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 Summers RD over Br of Davis CR built?

It was built in 1994, making it 31 years old in 2025.

What condition is Summers RD over Br of Davis 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 Summers RD over Br of Davis CR carry?

About 50 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Summers RD over Br of Davis CR?

The structure is 30 ft (9.1 m) long with a longest span of 30 ft (9.1 m) and a deck 20 ft wide.

Who owns Summers RD over Br of Davis CR?

It is owned by the County Highway Agency.