US Bridges

Antwerp RD over Natural Drain #3

FairPosted for load

Allen County, Indiana · 00.03 W Bull Rapids Road · Structure no. 0200244

Built
1958
67 years old
Condition
Fair
inspected June 2024
Type
Slab
Concrete
Length
30 ft
1 main span
Daily traffic
1,587
2018 count
Owner
County
County Highway Agency

About this bridge

Antwerp RD over Natural Drain #3 is a concrete slab carrying Antwerp RD over Natural Drain #3 in Allen County, Indiana. It was built in 1958, so it is 67 years old, older than the Indiana average of 46.6 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. Its operating status is: posted for load restriction.

It carries about 1,587 vehicles a day, roughly 5% of them trucks, projected to reach 2,372 by 2038. The structure is 30 ft (9.1 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesAntwerp RD
CrossesNatural Drain #3
Location00.03 W Bull Rapids Road
RouteCounty Highway 108
StateIndiana
Coordinates41.19619, -84.90369
Functional classRural Major Collector

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating27.6 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span26 ft (7.9 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,587 (2018)
Projected traffic2,372 by 2038
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Antwerp RD over Natural Drain #3 built?

It was built in 1958, making it 67 years old in 2025.

What condition is Antwerp RD over Natural Drain #3 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 June 2024.

How much traffic does Antwerp RD over Natural Drain #3 carry?

About 1,587 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is Antwerp RD over Natural Drain #3?

The structure is 30 ft (9.1 m) long with a longest span of 26 ft (7.9 m) and a deck 28 ft wide.

Who owns Antwerp RD over Natural Drain #3?

It is owned by the County Highway Agency.