US Bridges

N Rock Church RD over Big CR

Fair

Lincoln County, Missouri · S 26 T 48 N R 2 W · Structure no. 32512

Built
2008
17 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete
Length
30 ft
1 main span
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

N Rock Church RD over Big CR is a concrete slab carrying N Rock Church RD over Big CR in Lincoln County, Missouri. It was built in 2008, so it is 17 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 50 vehicles a day, roughly 10% of them trucks, projected to reach 80 by 2043. The structure is 30 ft (9.1 m) long and 23 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesN Rock Church RD
CrossesBig CR
LocationS 26 T 48 N R 2 W
RouteCounty Highway 283
CountyLincoln County
StateMissouri
Coordinates38.89894, -91.1
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating74.4 US tons
Inventory rating44.6 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckOther
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span29 ft (8.7 m)
Deck width23 ft (7 m)
Roadway width21 ft (6.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic80 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was N Rock Church RD over Big CR built?

It was built in 2008, making it 17 years old in 2025.

What condition is N Rock Church RD over Big 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 April 2024.

How much traffic does N Rock Church RD over Big CR carry?

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

How long is N Rock Church RD over Big CR?

The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.7 m) and a deck 23 ft wide.

Who owns N Rock Church RD over Big CR?

It is owned by the County Highway Agency.