US Bridges

IRR BIA RTE N5099 over Montezuma Creek

Fair

San Juan County, Utah · 0.4MI South of Hatch T.P. · Structure no. 00000000000N231

Built
1976
49 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
185 ft
2 main spans
Daily traffic
379
2021 count
Owner
Federal
Bureau of Indian Affairs

About this bridge

IRR BIA RTE N5099 over Montezuma Creek is a prestressed concrete stringer/multi-beam or girder carrying IRR BIA RTE N5099 over Montezuma Creek in San Juan County, Utah. It was built in 1976, so it is 49 years old, older than the Utah average of 40.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 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 379 vehicles a day, roughly 10% of them trucks, projected to reach 538 by 2040. The structure is 185 ft (56.4 m) long and 31 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesIRR BIA RTE N5099
CrossesMontezuma Creek
Location0.4MI South of Hatch T.P.
RouteFederal Lands Road N5099
StateUtah
Coordinates37.38647, -109.22622
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure8 Very GoodNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48 US tons
Inventory rating35.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length185 ft (56.4 m)
Longest span92 ft (27.9 m)
Deck width31 ft (9.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic379 (2021)
Projected traffic538 by 2040
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Indian Affairs
Maintained byBureau of Indian Affairs
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 IRR BIA RTE N5099 over Montezuma Creek built?

It was built in 1976, making it 49 years old in 2025.

What condition is IRR BIA RTE N5099 over Montezuma 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 June 2024.

How much traffic does IRR BIA RTE N5099 over Montezuma Creek carry?

About 379 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is IRR BIA RTE N5099 over Montezuma Creek?

The structure is 185 ft (56.4 m) long with a longest span of 92 ft (27.9 m) and a deck 31 ft wide.

Who owns IRR BIA RTE N5099 over Montezuma Creek?

It is owned by the Bureau of Indian Affairs.