US Bridges

T 1098 over Sunrise River

Fair

Chisago County, Minnesota · 0.1 MI W of JCT Csah 9 · Structure no. 13510

Built
1978
47 years old
Condition
Fair
inspected September 2024
Type
Tee Beam
Prestressed Concrete
Length
96 ft
1 main span
Daily traffic
150
2009 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 1098 over Sunrise River is a prestressed concrete tee beam carrying T 1098 over Sunrise River in Chisago County, Minnesota. It was built in 1978, so it is 47 years old, older than the Minnesota average of 38.5 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.

It carries about 150 vehicles a day, projected to reach 150 by 2039. The structure is 96 ft (29.4 m) long and 36 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT 1098
CrossesSunrise River
Location0.1 MI W of JCT Csah 9
RouteCounty Highway 1098
Coordinates45.54437, -92.85888
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating63.2 US tons
Inventory rating27.4 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length96 ft (29.4 m)
Longest span95 ft (29 m)
Deck width36 ft (11 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2009)
Projected traffic150 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 T 1098 over Sunrise River built?

It was built in 1978, making it 47 years old in 2025.

What condition is T 1098 over Sunrise River 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 September 2024.

How much traffic does T 1098 over Sunrise River carry?

About 150 vehicles per day (2009 count).

How long is T 1098 over Sunrise River?

The structure is 96 ft (29.4 m) long with a longest span of 95 ft (29 m) and a deck 36 ft wide.

Who owns T 1098 over Sunrise River?

It is owned by the Town or Township Highway Agency.