US Bridges

FM 1860 over Lake Creek Spillway

Good

McLennan County, Texas · 4.2 MI SE of SH 6 · Structure no. 091610083104012

Built
1930
95 years old, rebuilt 1956
Condition
Good
inspected December 2024
Type
Tee Beam
Concrete
Length
46 ft
1 main span
Daily traffic
451
2023 count
Owner
State
State Highway Agency

About this bridge

FM 1860 over Lake Creek Spillway is a concrete tee beam carrying FM 1860 over Lake Creek Spillway in McLennan County, Texas. It was built in 1930 and reconstructed in 1956, so it is 95 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 451 vehicles a day, roughly 14% of them trucks, projected to reach 510 by 2033. The structure is 46 ft (14 m) long and 31 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesFM 1860
CrossesLake Creek Spillway
Location4.2 MI SE of SH 6
RouteState Highway 1860
StateTexas
Coordinates31.45419, -96.98541
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length46 ft (14 m)
Longest span46 ft (14 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic451 (2023)
Projected traffic510 by 2033
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$400,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 1860 over Lake Creek Spillway built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1956.

What condition is FM 1860 over Lake Creek Spillway in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2024.

How much traffic does FM 1860 over Lake Creek Spillway carry?

About 451 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is FM 1860 over Lake Creek Spillway?

The structure is 46 ft (14 m) long with a longest span of 46 ft (14 m) and a deck 31 ft wide.

Who owns FM 1860 over Lake Creek Spillway?

It is owned by the State Highway Agency.