US Bridges

Maxfield CR RD over Maxfield Creek

Fair

Benton County, Oregon · 0111 MI E of Highway 223 · Structure no. 14509A000

Built
1964
61 years old
Condition
Fair
inspected July 2024
Type
Tee Beam
Concrete Continuous
Length
68 ft
1 main span
Daily traffic
750
2020 count
Owner
County
County Highway Agency

About this bridge

Maxfield CR RD over Maxfield Creek is a concrete continuous tee beam carrying Maxfield CR RD over Maxfield Creek in Benton County, Oregon. It was built in 1964, so it is 61 years old, older than the Oregon average of 49.9 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 750 vehicles a day, roughly 20% of them trucks, projected to reach 1,179 by 2040. The structure is 68 ft (20.7 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesMaxfield CR RD
CrossesMaxfield Creek
Location0111 MI E of Highway 223
RouteCounty Highway 0
StateOregon
Coordinates44.6941, -123.41011
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating37 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length68 ft (20.7 m)
Longest span42 ft (12.8 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic750 (2020)
Projected traffic1,179 by 2040
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Maxfield CR RD over Maxfield Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is Maxfield CR RD over Maxfield Creek 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 July 2024.

How much traffic does Maxfield CR RD over Maxfield Creek carry?

About 750 vehicles per day (2020 count), of which roughly 20% are trucks.

How long is Maxfield CR RD over Maxfield Creek?

The structure is 68 ft (20.7 m) long with a longest span of 42 ft (12.8 m) and a deck 33 ft wide.

Who owns Maxfield CR RD over Maxfield Creek?

It is owned by the County Highway Agency.