US Bridges

Amber RD over Little River

Poor

Allen County, Indiana · 00.90 S of US 24 · Structure no. 0200163

Built
1935
90 years old, rebuilt 1974
Condition
Poor
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
102
2018 count
Owner
County
County Highway Agency

About this bridge

Amber RD over Little River is a prestressed concrete box beam or girders - multiple carrying Amber RD over Little River in Allen County, Indiana. It was built in 1935 and reconstructed in 1974, so it is 90 years old, older than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 102 vehicles a day, roughly 5% of them trucks, projected to reach 152 by 2038. The structure is 50 ft (15.3 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesAmber RD
CrossesLittle River
Location00.90 S of US 24
RouteCounty Highway 149
StateIndiana
Coordinates41.00201, -85.30295
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
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 rating55.3 US tons
Inventory rating33.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length50 ft (15.3 m)
Longest span47 ft (14.3 m)
Deck width28 ft (8.6 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic102 (2018)
Projected traffic152 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.8 million (2024 estimate)
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Amber RD over Little River built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1974.

What condition is Amber RD over Little River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2024.

How much traffic does Amber RD over Little River carry?

About 102 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is Amber RD over Little River?

The structure is 50 ft (15.3 m) long with a longest span of 47 ft (14.3 m) and a deck 28 ft wide.

Who owns Amber RD over Little River?

It is owned by the County Highway Agency.