US Bridges

NE Ironwood DR over Br of Shoal CR

Fair

Caldwell County, Missouri · S 6 T 56 N R 26 W · Structure no. 18213

Built
1935
90 years old, rebuilt 2000
Condition
Fair
inspected November 2023
Type
Slab
Concrete
Length
24 ft
1 main span
Daily traffic
10
2024 count
Owner
County
County Highway Agency

About this bridge

NE Ironwood DR over Br of Shoal CR is a concrete slab carrying NE Ironwood DR over Br of Shoal CR in Caldwell County, Missouri. It was built in 1935 and reconstructed in 2000, so it is 90 years old, older 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 5 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 10 vehicles a day, roughly 10% of them trucks, projected to reach 12 by 2044. The structure is 24 ft (7.3 m) long and 17 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesNE Ironwood DR
CrossesBr of Shoal CR
LocationS 6 T 56 N R 26 W
RouteCounty Highway 177
CountyCaldwell County
StateMissouri
Coordinates39.68487, -93.85884
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.4 US tons
Inventory rating44.6 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadOther
Structure length24 ft (7.3 m)
Longest span23 ft (7.1 m)
Deck width17 ft (5.2 m)
Roadway width16 ft (5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2024)
Projected traffic12 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$174,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was NE Ironwood DR over Br of Shoal CR built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 2000.

What condition is NE Ironwood DR over Br of Shoal 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 November 2023.

How much traffic does NE Ironwood DR over Br of Shoal CR carry?

About 10 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is NE Ironwood DR over Br of Shoal CR?

The structure is 24 ft (7.3 m) long with a longest span of 23 ft (7.1 m) and a deck 17 ft wide.

Who owns NE Ironwood DR over Br of Shoal CR?

It is owned by the County Highway Agency.