US Bridges

Elgin Road over Babocomari Creek

PoorPosted for load

Santa Cruz County, Arizona · 5.16 MI S SR 82 (@ Elgin) · Structure no. 08165

Built
1920
105 years old, rebuilt 1999
Condition
Poor
inspected September 2024
Type
Truss - Thru
Steel
Length
64 ft
1 main span
Daily traffic
2,473
2022 count
Owner
County
County Highway Agency

About this bridge

Elgin Road over Babocomari Creek is a steel truss - thru carrying Elgin Road over Babocomari Creek in Santa Cruz County, Arizona. It was built in 1920 and reconstructed in 1999, so it is 105 years old, older than the Arizona average of 47.8 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. Its operating status is: posted for load restriction.

It carries about 2,473 vehicles a day, roughly 27% of them trucks, projected to reach 2,483 by 2042. The structure is 64 ft (19.5 m) long and 18 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesElgin Road
CrossesBabocomari Creek
Location5.16 MI S SR 82 (@ Elgin)
RouteCounty Highway 0
StateArizona
Coordinates31.6604, -110.5253
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
Deck7 GoodSome minor problems.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating15 US tons
Inventory rating9 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length64 ft (19.5 m)
Longest span62 ft (18.9 m)
Deck width18 ft (5.4 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,473 (2022)
Projected traffic2,483 by 2042
Trucks27%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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$1,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Elgin Road over Babocomari Creek built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 1999.

What condition is Elgin Road over Babocomari Creek 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 September 2024.

How much traffic does Elgin Road over Babocomari Creek carry?

About 2,473 vehicles per day (2022 count), of which roughly 27% are trucks.

How long is Elgin Road over Babocomari Creek?

The structure is 64 ft (19.5 m) long with a longest span of 62 ft (18.9 m) and a deck 18 ft wide.

Who owns Elgin Road over Babocomari Creek?

It is owned by the County Highway Agency.