US Bridges

NE 30th LN over N Fk Spring Rvr

Good

Barton County, Missouri · S 16 T 32 N R 30 W · Structure no. 18639

Built
1983
42 years old
Condition
Good
inspected March 2023
Type
Tee Beam
Prestressed Concrete Continuous
Length
133 ft
3 main spans
Daily traffic
75
2023 count
Owner
County
County Highway Agency

About this bridge

NE 30th LN over N Fk Spring Rvr is a prestressed concrete continuous tee beam carrying NE 30th LN over N Fk Spring Rvr in Barton County, Missouri. It was built in 1983, so it is 42 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 75 vehicles a day, roughly 10% of them trucks, projected to reach 105 by 2043. The structure is 133 ft (40.5 m) long and 27 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesNE 30th LN
CrossesN Fk Spring Rvr
LocationS 16 T 32 N R 30 W
RouteCounty Highway 193
Coordinates37.52654, -94.24144
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.7 US tons
Inventory rating20.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length133 ft (40.5 m)
Longest span50 ft (15.2 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2023)
Projected traffic105 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was NE 30th LN over N Fk Spring Rvr built?

It was built in 1983, making it 42 years old in 2025.

What condition is NE 30th LN over N Fk Spring Rvr 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 March 2023.

How much traffic does NE 30th LN over N Fk Spring Rvr carry?

About 75 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is NE 30th LN over N Fk Spring Rvr?

The structure is 133 ft (40.5 m) long with a longest span of 50 ft (15.2 m) and a deck 27 ft wide.

Who owns NE 30th LN over N Fk Spring Rvr?

It is owned by the County Highway Agency.