US Bridges

Summit RD over Parks CR

Fair

Wright County, Missouri · S 5 T 30 N R 15 W · Structure no. 12491

Built
1947
78 years old
Condition
Fair
inspected December 2024
Type
Slab
Concrete
Length
31 ft
6 main spans
Daily traffic
30
2023 count
Owner
County
County Highway Agency

About this bridge

Summit RD over Parks CR is a concrete slab carrying Summit RD over Parks CR in Wright County, Missouri. It was built in 1947, so it is 78 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 30 vehicles a day, roughly 10% of them trucks, projected to reach 42 by 2043. The structure is 31 ft (9.4 m) long and 16 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesSummit RD
CrossesParks CR
LocationS 5 T 30 N R 15 W
RouteCounty Highway 11
CountyWright County
StateMissouri
Coordinates37.3491, -92.60752
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54.6 US tons
Inventory rating17.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadOther
Structure length31 ft (9.4 m)
Longest span5 ft (1.5 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2023)
Projected traffic42 by 2043
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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$196,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Summit RD over Parks CR built?

It was built in 1947, making it 78 years old in 2025.

What condition is Summit RD over Parks 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 December 2024.

How much traffic does Summit RD over Parks CR carry?

About 30 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Summit RD over Parks CR?

The structure is 31 ft (9.4 m) long with a longest span of 5 ft (1.5 m) and a deck 16 ft wide.

Who owns Summit RD over Parks CR?

It is owned by the County Highway Agency.