US Bridges

N Loop Rd-Nakoma over US 281

Fair

Bexar County, Texas · 1.15 MI S of E Bitters RD · Structure no. 150150025304055

Built
1980
45 years old
Condition
Fair
inspected July 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
284 ft
2 main spans
Daily traffic
10,304
2020 count
Owner
State
State Highway Agency

About this bridge

N Loop Rd-Nakoma over US 281 is a prestressed concrete stringer/multi-beam or girder carrying N Loop Rd-Nakoma over US 281 in Bexar County, Texas. It was built in 1980, so it is 45 years old, older than the Texas average of 44.4 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 10,304 vehicles a day, projected to reach 30,000 by 2030. The structure is 284 ft (86.6 m) long and 84 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesN Loop Rd-Nakoma
CrossesUS 281
Location1.15 MI S of E Bitters RD
RouteCity Street 0
CountyBexar County
StateTexas
Coordinates29.54892, -98.48804
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length284 ft (86.6 m)
Longest span87 ft (26.5 m)
Deck width84 ft (25.6 m)
Roadway width70 ft (21.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,304 (2020)
Projected traffic30,000 by 2030
Trucks0%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$50,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was N Loop Rd-Nakoma over US 281 built?

It was built in 1980, making it 45 years old in 2025.

What condition is N Loop Rd-Nakoma over US 281 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 2022.

How much traffic does N Loop Rd-Nakoma over US 281 carry?

About 10,304 vehicles per day (2020 count).

How long is N Loop Rd-Nakoma over US 281?

The structure is 284 ft (86.6 m) long with a longest span of 87 ft (26.5 m) and a deck 84 ft wide.

Who owns N Loop Rd-Nakoma over US 281?

It is owned by the State Highway Agency.