US Bridges

SH 116 Ml over Buffalo Creek

Poor

Baca County, Colorado · 9.5 Miles W. of Kansas · Structure no. N-28-H

Built
1938
87 years old
Condition
Poor
inspected August 2024
Type
Culvert
Masonry
Length
36 ft
2 main spans
Daily traffic
80
2020 count
Owner
State
State Highway Agency

About this bridge

SH 116 Ml over Buffalo Creek is a masonry culvert carrying SH 116 Ml over Buffalo Creek in Baca County, Colorado. It was built in 1938, so it is 87 years old, older than the Colorado average of 42.2 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.

It carries about 80 vehicles a day, roughly 17% of them trucks, projected to reach 106 by 2040. The structure is 36 ft (11 m) long and 32 ft wide. If it were closed, the detour would be 62.1 mi (100 km).

CarriesSH 116 Ml
CrossesBuffalo Creek
Location9.5 Miles W. of Kansas
RouteState Highway 116A
Coordinates37.55708, -102.22487
Functional classRural Major 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
Channel and channel protection8 Very GoodNo problems noted.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating76.7 US tons

Structure

Structure typeCulvert
MaterialMasonry
DeckNot applicable
Main spans2
Design loadHS 20
Structure length36 ft (11 m)
Longest span16 ft (4.9 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2020)
Projected traffic106 by 2040
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed62.1 mi (100 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 116 Ml over Buffalo Creek built?

It was built in 1938, making it 87 years old in 2025.

What condition is SH 116 Ml over Buffalo 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 August 2024.

How much traffic does SH 116 Ml over Buffalo Creek carry?

About 80 vehicles per day (2020 count), of which roughly 17% are trucks.

How long is SH 116 Ml over Buffalo Creek?

The structure is 36 ft (11 m) long with a longest span of 16 ft (4.9 m) and a deck 32 ft wide.

Who owns SH 116 Ml over Buffalo Creek?

It is owned by the State Highway Agency.