US Bridges

Rt Nn S over Jacobs Br

Good

Newton County, Missouri · S 2 T 26 N R 33 W · Structure no. 702

Built
1965
60 years old
Condition
Good
inspected February 2024
Type
Culvert
Concrete Continuous
Length
39 ft
2 main spans
Daily traffic
6,273
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Nn S over Jacobs Br is a concrete continuous culvert carrying Rt Nn S over Jacobs Br in Newton County, Missouri. It was built in 1965, so it is 60 years old, older 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 6,273 vehicles a day, roughly 11% of them trucks, projected to reach 10,350 by 2044. The structure is 39 ft (11.8 m) long and 41 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesRt Nn S
CrossesJacobs Br
LocationS 2 T 26 N R 33 W
RouteState Highway 0NN
Coordinates37.00503, -94.50436
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.4 US tons
Inventory rating44.6 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 15
Structure length39 ft (11.8 m)
Longest span12 ft (3.7 m)
Deck width41 ft (12.5 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,273 (2024)
Projected traffic10,350 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Rt Nn S over Jacobs Br built?

It was built in 1965, making it 60 years old in 2025.

What condition is Rt Nn S over Jacobs Br 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 February 2024.

How much traffic does Rt Nn S over Jacobs Br carry?

About 6,273 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Rt Nn S over Jacobs Br?

The structure is 39 ft (11.8 m) long with a longest span of 12 ft (3.7 m) and a deck 41 ft wide.

Who owns Rt Nn S over Jacobs Br?

It is owned by the State Highway Agency.