US Bridges

Denmark RD over Saco River

Poor

Oxford County, Maine · .6 MI E JCT 5-113 · Structure no. 3417

Built
1936
89 years old
Condition
Poor
inspected October 2024
Type
Truss - Thru
Steel
Length
335 ft
1 main span
Daily traffic
1,850
2016 count
Owner
State
State Highway Agency

About this bridge

Denmark RD over Saco River is a steel truss - thru carrying Denmark RD over Saco River in Oxford County, Maine. It was built in 1936, so it is 89 years old, older than the Maine average of 53.7 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 1,850 vehicles a day, roughly 5% of them trucks, projected to reach 2,775 by 2036. The structure is 335 ft (102 m) long and 26 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

CarriesDenmark RD
CrossesSaco River
Location.6 MI E JCT 5-113
RouteCounty Highway 160
StateMaine
Coordinates43.95545, -70.88231
Functional classRural Minor Collector

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating22.8 US tons
Inventory rating17.9 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadH 20
Structure length335 ft (102 m)
Longest span200 ft (61 m)
Deck width26 ft (8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deck15 ft (4.6 m)

Traffic and service

Average daily traffic1,850 (2016)
Projected traffic2,775 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed16.8 mi (27 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Denmark RD over Saco River built?

It was built in 1936, making it 89 years old in 2025.

What condition is Denmark RD over Saco 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 October 2024.

How much traffic does Denmark RD over Saco River carry?

About 1,850 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Denmark RD over Saco River?

The structure is 335 ft (102 m) long with a longest span of 200 ft (61 m) and a deck 26 ft wide.

Who owns Denmark RD over Saco River?

It is owned by the State Highway Agency.