US Bridges

Bloomington RD over Big Creek

Good

Linn County, Iowa · T83N R6W 23 · Structure no. 000000000220801

Built
2016
9 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
153 ft
1 main span
Daily traffic
88
2022 count
Owner
County
County Highway Agency

About this bridge

Bloomington RD over Big Creek is a prestressed concrete stringer/multi-beam or girder carrying Bloomington RD over Big Creek in Linn County, Iowa. It was built in 2016, so it is 9 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 88 vehicles a day, projected to reach 88 by 2044. The structure is 153 ft (46.6 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBloomington RD
CrossesBig Creek
LocationT83N R6W 23
RouteCounty Highway 0
StateIowa
Coordinates41.98404, -91.51358
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.4 US tons
Inventory rating51.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length153 ft (46.6 m)
Longest span150 ft (45.7 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic88 (2022)
Projected traffic88 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Bloomington RD over Big Creek built?

It was built in 2016, making it 9 years old in 2025.

What condition is Bloomington RD over Big Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does Bloomington RD over Big Creek carry?

About 88 vehicles per day (2022 count).

How long is Bloomington RD over Big Creek?

The structure is 153 ft (46.6 m) long with a longest span of 150 ft (45.7 m) and a deck 33 ft wide.

Who owns Bloomington RD over Big Creek?

It is owned by the County Highway Agency.