US Bridges

N-3 over Br of Lit Black Rv

Good

Ripley County, Missouri · S 7 T 22 N R 4 E · Structure no. 16047

Built
1999
26 years old
Condition
Good
inspected February 2025
Type
Tee Beam
Prestressed Concrete
Length
110 ft
3 main spans
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

N-3 over Br of Lit Black Rv is a prestressed concrete tee beam carrying N-3 over Br of Lit Black Rv in Ripley 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 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 50 vehicles a day, roughly 10% of them trucks, projected to reach 60 by 2043. The structure is 110 ft (33.5 m) long and 27 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesN-3
CrossesBr of Lit Black Rv
LocationS 7 T 22 N R 4 E
RouteCounty Highway 107
Coordinates36.56333, -90.688
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.5 US tons
Inventory rating39.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length110 ft (33.5 m)
Longest span38 ft (11.6 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic60 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 N-3 over Br of Lit Black Rv built?

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

What condition is N-3 over Br of Lit Black Rv 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 2025.

How much traffic does N-3 over Br of Lit Black Rv carry?

About 50 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is N-3 over Br of Lit Black Rv?

The structure is 110 ft (33.5 m) long with a longest span of 38 ft (11.6 m) and a deck 27 ft wide.

Who owns N-3 over Br of Lit Black Rv?

It is owned by the County Highway Agency.