US Bridges

Deer Run RD 646 over Hurricane CR

Fair

Lincoln County, Missouri · S 16 T 50 N R 2 E · Structure no. 17584

Built
1961
64 years old, rebuilt 1996
Condition
Fair
inspected June 2024
Type
Culvert
Concrete
Length
28 ft
2 main spans
Daily traffic
200
2023 count
Owner
County
County Highway Agency

About this bridge

Deer Run RD 646 over Hurricane CR is a concrete culvert carrying Deer Run RD 646 over Hurricane CR in Lincoln County, Missouri. It was built in 1961 and reconstructed in 1996, so it is 64 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 200 vehicles a day, roughly 10% of them trucks, projected to reach 320 by 2043. The structure is 28 ft (8.5 m) long and 24 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

Location

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CarriesDeer Run RD 646
CrossesHurricane CR
LocationS 16 T 50 N R 2 E
RouteCounty Highway 156
CountyLincoln County
StateMissouri
Coordinates39.10116, -90.78354
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 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 geometry4: Meets minimum tolerable limits to be 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 rating54.6 US tons
Inventory rating17.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 10
Structure length28 ft (8.5 m)
Longest span13 ft (4 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2023)
Projected traffic320 by 2043
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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 Deer Run RD 646 over Hurricane CR built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1996.

What condition is Deer Run RD 646 over Hurricane 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 June 2024.

How much traffic does Deer Run RD 646 over Hurricane CR carry?

About 200 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Deer Run RD 646 over Hurricane CR?

The structure is 28 ft (8.5 m) long with a longest span of 13 ft (4 m) and a deck 24 ft wide.

Who owns Deer Run RD 646 over Hurricane CR?

It is owned by the County Highway Agency.