US Bridges

Nighthawk RD over Shoal CR

Fair

Newton County, Missouri · S 5 T 25 N R 31 W · Structure no. 19466

Built
1990
35 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
223 ft
3 main spans
Daily traffic
200
2024 count
Owner
County
County Highway Agency

About this bridge

Nighthawk RD over Shoal CR is a prestressed concrete stringer/multi-beam or girder carrying Nighthawk RD over Shoal CR in Newton County, Missouri. It was built in 1990, so it is 35 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 200 vehicles a day, roughly 10% of them trucks, projected to reach 310 by 2044. The structure is 223 ft (68 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesNighthawk RD
CrossesShoal CR
LocationS 5 T 25 N R 31 W
RouteCounty Highway 221
Coordinates36.92039, -94.34079
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating59.5 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length223 ft (68 m)
Longest span80 ft (24.4 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2024)
Projected traffic310 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Nighthawk RD over Shoal CR built?

It was built in 1990, making it 35 years old in 2025.

What condition is Nighthawk RD over Shoal 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 January 2024.

How much traffic does Nighthawk RD over Shoal CR carry?

About 200 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Nighthawk RD over Shoal CR?

The structure is 223 ft (68 m) long with a longest span of 80 ft (24.4 m) and a deck 26 ft wide.

Who owns Nighthawk RD over Shoal CR?

It is owned by the County Highway Agency.