US Bridges

SE 100th RD over N. Fork Spring Riv

Fair

Barton County, Missouri · S 11 T 30 N R 29 W · Structure no. 28299

Built
1999
26 years old
Condition
Fair
inspected March 2023
Type
Slab
Concrete Continuous
Length
49 ft
3 main spans
Daily traffic
15
2023 count
Owner
County
County Highway Agency

About this bridge

SE 100th RD over N. Fork Spring Riv is a concrete continuous slab carrying SE 100th RD over N. Fork Spring Riv in Barton County, Missouri. It was built in 1999, so it is 26 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 15 vehicles a day, roughly 10% of them trucks, projected to reach 21 by 2043. The structure is 49 ft (14.9 m) long and 21 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesSE 100th RD
CrossesN. Fork Spring Riv
LocationS 11 T 30 N R 29 W
RouteCounty Highway 507
CountyBarton County
StateMissouri
Coordinates37.34931, -94.08272
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
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 adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.5 US tons
Inventory rating40.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length49 ft (14.9 m)
Longest span15 ft (4.6 m)
Deck width21 ft (6.5 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2023)
Projected traffic21 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 SE 100th RD over N. Fork Spring Riv built?

It was built in 1999, making it 26 years old in 2025.

What condition is SE 100th RD over N. Fork Spring Riv 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 March 2023.

How much traffic does SE 100th RD over N. Fork Spring Riv carry?

About 15 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is SE 100th RD over N. Fork Spring Riv?

The structure is 49 ft (14.9 m) long with a longest span of 15 ft (4.6 m) and a deck 21 ft wide.

Who owns SE 100th RD over N. Fork Spring Riv?

It is owned by the County Highway Agency.