US Bridges

Antelope RD over Sycamore CR

FairPosted for load

Newton County, Missouri · S 15 T 24 N R 34 W · Structure no. 24686

Built
1925
100 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete
Length
49 ft
4 main spans
Daily traffic
100
2024 count
Owner
County
County Highway Agency

About this bridge

Antelope RD over Sycamore CR is a concrete slab carrying Antelope RD over Sycamore CR in Newton County, Missouri. It was built in 1925, so it is 100 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. Its operating status is: posted for load restriction.

It carries about 100 vehicles a day, roughly 10% of them trucks, projected to reach 155 by 2044. The structure is 49 ft (14.9 m) long and 21 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesAntelope RD
CrossesSycamore CR
LocationS 15 T 24 N R 34 W
RouteCounty Highway 532
CountyNewton County
StateMissouri
Coordinates36.81166, -94.59316
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating21.8 US tons
Inventory rating12.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length49 ft (14.9 m)
Longest span11 ft (3.4 m)
Deck width21 ft (6.5 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2024)
Projected traffic155 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Antelope RD over Sycamore CR built?

It was built in 1925, making it 100 years old in 2025.

What condition is Antelope RD over Sycamore 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 January 2024.

How much traffic does Antelope RD over Sycamore CR carry?

About 100 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Antelope RD over Sycamore CR?

The structure is 49 ft (14.9 m) long with a longest span of 11 ft (3.4 m) and a deck 21 ft wide.

Who owns Antelope RD over Sycamore CR?

It is owned by the County Highway Agency.